The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled.
    This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a     kernel oops condition that results in a denial of service. (CVE-2022-1263)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7683 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)

    * race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference     (CVE-2020-36558)

    * use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)

    * memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c     (CVE-2021-30002)

    * smb2_ioctl_query_info NULL Pointer Dereference (CVE-2022-0168)

    * NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)

    * swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)

    * uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)

    * race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)

    * use-after-free in tc_new_tfilter() in net/sched/cls_api.c (CVE-2022-1055)

    * use-after-free and memory errors in ext4 when mounting and operating on a corrupted image     (CVE-2022-1184)

    * NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

    * buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078)

    * nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)

    * openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)

    * use-after-free when psi trigger is destroyed while being polled (CVE-2022-2938)

    * net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)

    * possible to use the debugger to write zero into a location of choice (CVE-2022-21499)

    * Spectre-BHB (CVE-2022-23960)

    * Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

    * memory leak in drivers/hid/hid-elo.c (CVE-2022-27950)

    * double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)

    * use after free in SUNRPC subsystem (CVE-2022-28893)

    * use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)

    * DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)

    * nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4617-1 advisory.

    The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security and bugfixes.


    The following security bugs were fixed:

    - CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207).
    - CVE-2022-42328: Guests could trigger denial of service via the netback driver (bsc#1206114).
    - CVE-2022-42329: Guests could trigger denial of service via the netback driver (bsc#1206113).
    - CVE-2022-3643: Guests could trigger NIC interface reset/abort/crash via netback driver (bsc#1206113).
    - CVE-2022-3633: Fixed a memory leak in j1939_session_destroy of the file net/can/j1939/transport.c     (bsc#1204650).
    - CVE-2022-3114: Fixed a denial of service in imx_register_uart_clocks() in drivers/clk/imx/clk.c     (bsc#1206391).
    - CVE-2022-3619: Fixed a memory leak in l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c     (bsc#1204569).
    - CVE-2022-3635: Fixed a use-after-free in the tst_timer() of the file drivers/atm/idt77252.c     (bsc#1204631).
    - CVE-2022-41850: Fixed a race condition in roccat_report_event() in drivers/hid/hid-roccat.c     (bsc#1203960).
    - CVE-2022-45934: Fixed a integer wraparound via L2CAP_CONF_REQ packets in l2cap_config_req in     net/bluetooth/l2cap_core.c (bsc#1205796).
    - CVE-2022-3567: Fixed a to race condition in inet6_stream_ops()/inet6_dgram_ops() (bsc#1204414).
    - CVE-2022-41858: Fixed a denial of service in sl_tx_timeout() in drivers/net/slip (bsc#1205671).
    - CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128).
    - CVE-2022-4095: Fixed a use-after-free in rtl8712 driver (bsc#1205514).
    - CVE-2022-3903: Fixed a denial of service with the Infrared Transceiver USB driver (bsc#1205220).
    - CVE-2022-42896: Fixed a use-after-free vulnerability in the net/bluetooth/l2cap_core.c's l2cap_connect()     and l2cap_le_connect_req() which may have allowed code execution and leaking kernel memory (respectively)     remotely via Bluetooth (bsc#1205709).
    - CVE-2022-42895: Fixed an information leak in the net/bluetooth/l2cap_core.c's l2cap_parse_conf_req()     which can be used to leak kernel pointers remotely (bsc#1205705).
    - CVE-2022-3424: Fixed use-after-free in gru_set_context_option(), gru_fault() and     gru_handle_user_call_os() that could lead to kernel panic (bsc#1204166).
    - CVE-2022-3628: Fixed potential buffer overflow in brcmf_fweh_event_worker() in wifi/brcmfmac     (bsc#1204868).
    - CVE-2022-2964: Fixed memory corruption issues in ax88179_178a devices (bsc#1202686).
    - CVE-2021-4037: Fixed function logic vulnerability that allowed local users to create files for the XFS     file-system with an unintended group ownership and with group execution and SGID permission bits set     (bsc#1198702).
    - CVE-2022-43750: Fixed vulnerability in usbmon that allowed a user-space client to corrupt the monitor's     internal memory (bsc#1204653).
    - CVE-2022-3542: Fixed memory leak in bnx2x_tpa_stop() in drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c     (bsc#1204402).
    - CVE-2022-3629: Fixed memory leak in vsock_connect() in net/vmw_vsock/af_vsock.c (bsc#1204635).
    - CVE-2022-3646: Fixed memory leak in nilfs_attach_log_writer() in fs/nilfs2/segment.c (bsc#1204646).
    - CVE-2022-3649: Fixed use-after-free in nilfs_new_inode() in fs/nilfs2/inode.c (bsc#1204647).
    - CVE-2022-3621: Fixed null pointer dereference in nilfs_bmap_lookup_at_level() in fs/nilfs2/inode.c     (bsc#1204574).
    - CVE-2022-3594: Fixed excessive data logging in intr_callback() in drivers/net/usb/r8152.c (bsc#1204479).
    - CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow a local unprivileged user to     cause a denial of service (bsc#1204439).
    - CVE-2022-3565: Fixed use-after-free in del_timer() in drivers/isdn/mISDN/l1oip_core.c (bsc#1204431).
    - CVE-2022-3524: Fixed memory leak in ipv6_renew_options() in the IPv6 handler (bsc#1204354).
    - CVE-2022-40768: Fixed information leak in the scsi driver which allowed local users to obtain sensitive     information from kernel memory (bsc#1203514).
    - CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bsc#1204168).
    - CVE-2022-3169: Fixed an denial of service though request to NVME_IOCTL_RESET and NVME_IOCTL_SUBSYS_RESET     (bsc#1203290).
    - CVE-2022-3545: Fixed a use-after-free vulnerability is area_cache_get() of the file     drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c (bsc#1204415).
    - CVE-2022-3521: Fixed a race condition in kcm_tx_work() of the file net/kcm/kcmsock.c (bsc#1204355).
    - CVE-2022-2153: Fixed a NULL pointer dereference in KVM when attempting to set a SynIC IRQ (bsc#1200788).
    - CVE-2022-33981: Fixed a denial of service, because of a concurrency use-after-free flaw after     deallocating raw_cmd in the raw_cmd_ioctl function (bsc#1200692).
    - CVE-2022-45869: Fixed a race condition in the x86 KVM subsystem which could cause a denial of service     (bsc#1205882).
    - CVE-2022-45888: Fixed a use-after-free during physical removal of a USB devices when using     drivers/char/xillybus/xillyusb.c (bsc#1205764).
    - CVE-2022-4139: Fixed an issue with the i915 driver that allowed the GPU to access any physical memory     (bsc#1205700).
    - CVE-2022-4129: Fixed a denial of service with the Layer 2 Tunneling Protocol (L2TP). A missing lock when     clearing sk_user_data can lead to a race condition and NULL pointer dereference. (bsc#1205711)
    - CVE-2022-3566: Fixed a race condition in the functions tcp_getsockopt/tcp_setsockopt. The manipulation     leads to a race condition (bsc#1204405).
    - CVE-2022-2602: Fixed a local privilege escalation vulnerability involving Unix socket Garbage Collection     and io_uring (bsc#1204228).
    - CVE-2022-3176: Fixed a use-after-free in io_uring related to signalfd_poll() and binder_poll()     (bsc#1203391).
    - CVE-2022-3707: Fixed a double free in the Intel GVT-g graphics driver (bsc#1204780).
    - CVE-2022-3625: Fixed a user-after-free vulnerability in devlink_param_set/devlink_param_get of the file     net/core/devlink.c (bsc#1204637).
    - CVE-2022-3535: Fixed a memory leak in mvpp2_dbgfs_port_init of the file     drivers/net/ethernet/marvell/mvpp2/mvpp2_debugfs.c (bsc#1204417).
    - CVE-2022-39189: Fixed an issue were an unprivileged guest users can compromise the guest kernel because     TLB flush operations were mishandled in certain KVM_VCPU_PREEMPTED situations (bsc#1203066).
    - CVE-2022-3577: Fixed an out-of-bounds memory write in bigben_probe of drivers/hid/hid-bigbenff.c     (bsc#1204470).
    - CVE-2022-2978: Fixed a use-after-free in the NILFS file system (bsc#1202700).
    - CVE-2022-1184: Fixed a use-after-free and memory errors in ext4 when mounting and operating on a     corrupted image (bsc#1198577).
    - CVE-2022-1263: Fixed a NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty     ring support enabled. This flaw allowed an unprivileged local attacker on the host to issue specific ioctl     calls, causing a kernel oops condition that results in a denial of service (bsc#1198189).
    - CVE-2022-1882: Fixed a use-after-free flaw in free_pipe_info() that could allow a local user to crash or     potentially escalate their privileges on the system (bsc#1199904).
    - CVE-2022-20369: Fixed possible out of bounds write due to improper input validation in v4l2_m2m_querybuf     of v4l2-mem2mem.c (bsc#1202347).
    - CVE-2022-2586: Fixed a use-after-free which can be triggered when a nft table is deleted (bsc#1202095).
    - CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).
    - CVE-2022-26373: Fixed CPU information leak via post-barrier RSB predictions (bsc#1201726).
    - CVE-2022-2639: Fixed integer underflow that could lead to out-of-bounds write in reserve_sfa_size()     (bsc#1202154).
    - CVE-2022-2663: Fixed an issue which allowed a firewall to be bypassed when users are using unencrypted     IRC with nf_conntrack_irc configured (bsc#1202097).
    - CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg() (bsc#1202346).
    - CVE-2022-28356: Fixed a refcount bug in llc_ui_bind and llc_ui_autobind which could allow an     unprivileged user to execute a denial of service. (bsc#1197391)
    - CVE-2022-2873: Fixed an out-of-bounds memory access flaw that was found in iSMT SMBus host controller     driver (bsc#1202558).
    - CVE-2022-2905: Fixed tnum_range usage on array range checking for poke descriptors (bsc#1202860).
    - CVE-2022-2938: Fixed a flaw that was found inside the Pressure Stall Information implementation that     could have been used to allow an attacker to crash the system or have other memory-corruption side effects     (bsc#1202623).
    - CVE-2022-2959: Fixed a race condition that was found inside the watch queue due to a missing lock in     pipe_resize_ring() (bsc#1202681).
    - CVE-2022-2977: Fixed reference counting for struct tpm_chip (bsc#1202672).
    - CVE-2022-3028: Fixed a race condition that was found in the IP framework for transforming packets (XFRM     subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously (bsc#1202898).
    - CVE-2022-3078: Fixed a lack of check after calling vzalloc() and lack of free after allocation in     drivers/media/test-drivers/vidtv/vidtv_s302m.c (bsc#1203041).
    - CVE-2022-3202: Fixed a NULL pointer dereference flaw in Journaled File System. This could allow a local     attacker to crash the system or leak kernel internal information (bsc#1203389).
    - CVE-2022-32250: Fixed user-after-free in net/netfilter/nf_tables_api.c that could allow local privilege     escalation (bsc#1200015).
    - CVE-2022-32296: Fixed vulnerability where TCP servers were allowed to identify clients by observing what     source ports are used (bsc#1200288).
    - CVE-2022-3239: Fixed an use-after-free in the video4linux driver that could lead a local user to able to     crash the system or escalate their privileges (bsc#1203552).
    - CVE-2022-3303: Fixed a race condition in the sound subsystem due to improper locking (bsc#1203769).
    - CVE-2022-3435: Fixed an out-of-bounds read in fib_nh_match() of the file net/ipv4/fib_semantics.c     (bsc#1204171).
    - CVE-2022-3526: Fixed a memory leak in macvlan_handle_frame() from drivers/net/macvlan.c (bsc#1204353).
    - CVE-2022-3640: Fixed use-after-free in l2cap_conn_del() in net/bluetooth/l2cap_core.c (bsc#1204619).
    - CVE-2022-36879: Fixed an issue in xfrm_expand_policies in net/xfrm/xfrm_policy.c where a refcount could     be dropped twice (bsc#1201948).
    - CVE-2022-36946: Fixed a denial of service inside nfqnl_mangle in net/netfilter/nfnetlink_queue.c     (bsc#1201940).
    - CVE-2022-39188: Fixed race condition in include/asm-generic/tlb.h where a device driver can free a page     while it still has stale TLB entries (bsc#1203107).
    - CVE-2022-39190: Fixed an issue that was discovered in net/netfilter/nf_tables_api.c and could cause a     denial of service upon binding to an already bound chain (bsc#1203117).
    - CVE-2022-40476: Fixed a null pointer dereference in fs/io_uring.c (bsc#1203435).
    - CVE-2022-41218: Fixed an use-after-free caused by refcount races in drivers/media/dvb-core/dmxdev.c     (bsc#1202960).
    - CVE-2022-41674: Fixed a DoS issue where kernel can crash on the reception of specific WiFi Frames     (bsc#1203770).
    - CVE-2022-41848: Fixed a race condition and resultant use-after-free if a physically proximate attacker     removes a PCMCIA device while calling ioctl (bsc#1203987).
    - CVE-2022-41849: Fixed a race condition and resultant use-after-free if a physically proximate attacker     removes a USB device while calling open (bsc#1203992).
    - CVE-2022-42719: Fixed remote code execution with wlan frames when parsing a multi-BSSID element     (bsc#1204051).
    - CVE-2022-42720: Fixed remote code execution due to refcounting bugs (bsc#1204059).
    - CVE-2022-42721: Fixed remote code execution due list corruption in the wlan stack (bsc#1204060).
    - CVE-2022-42722: Fixed crash in beacon protection for P2P-device. (bsc#1204125)
    - CVE-2021-33135: Fixed uncontrolled resource consumption inside Intel(R) SGX that may have allowed an     authenticated user to potentially enable denial of service via local access (bsc#1199515).
    - CVE-2020-16119: Fixed a use-after-free vulnerability exploitable by a local attacker due to reuse of a     DCCP socket. (bsc#1177471)
    - CVE-2020-36516: Fixed an issue in the mixed IPID assignment method where an attacker was able to inject     data into or terminate a victim's TCP session (bsc#1196616).
    - CVE-2016-3695: Fixed an issue inside the einj_error_inject function in drivers/acpi/apei/einj.c that     allowed users to simulate hardware errors and consequently cause a denial of service (bsc#1023051).


Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3844-1 advisory.

  - A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled.
    This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a     kernel oops condition that results in a denial of service. (CVE-2022-1263)

  - kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation     (CVE-2022-2586)

  - A NULL pointer dereference flaw in diFree in fs/jfs/inode.c in Journaled File System (JFS)in the Linux     kernel. This could allow a local attacker to crash the system or leak kernel internal information.
    (CVE-2022-3202)

  - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are     used. This occurs because of use of Algorithm 4 (Double-Hash Port Selection Algorithm) of RFC 6056.
    (CVE-2022-32296)

  - A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers     em28xx_usb_probe() for the Empia 28xx based TV cards. A local user could use this flaw to crash the system     or potentially escalate their privileges on the system. (CVE-2022-3239)

  - A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead     to a NULL pointer dereference while handling the SNDCTL_DSP_SYNC ioctl. A privileged local user (root or     member of the audio group) could use this flaw to crash the system, resulting in a denial of service     condition (CVE-2022-3303)

  - An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users     can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED     situations. (CVE-2022-39189)

  - In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused     by refcount races, affecting dvb_demux_open and dvb_dmxdev_release. (CVE-2022-41218)

  - An issue was discovered in the Linux kernel before 5.19.16. Attackers able to inject WLAN frames could     cause a buffer overflow in the ieee80211_bss_info_update function in net/mac80211/scan.c. (CVE-2022-41674)

  - drivers/char/pcmcia/synclink_cs.c in the Linux kernel through 5.19.12 has a race condition and resultant     use-after-free if a physically proximate attacker removes a PCMCIA device while calling ioctl, aka a race     condition between mgslpc_ioctl and mgslpc_detach. (CVE-2022-41848)

  - drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-     after-free if a physically proximate attacker removes a USB device while calling open(), aka a race     condition between ufx_ops_open and ufx_usb_disconnect. (CVE-2022-41849)

  - A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through     5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and     potentially execute code. (CVE-2022-42719)

  - Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through     5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-     free conditions to potentially execute code. (CVE-2022-42720)

  - A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before     5.19.16 could be used by local attackers (able to inject WLAN frames) to corrupt a linked list and, in     turn, potentially execute code. (CVE-2022-42721)

  - In the Linux kernel 5.8 through 5.19.x before 5.19.16, local attackers able to inject WLAN frames into the     mac80211 stack could cause a NULL pointer dereference denial-of-service attack against the beacon     protection of P2P devices. (CVE-2022-42722)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:8267 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)

    * use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)

    * smb2_ioctl_query_info NULL pointer dereference (CVE-2022-0168)

    * NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)

    * swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)

    * uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)

    * race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)

    * use-after-free and memory errors in ext4 when mounting and operating on a corrupted image     (CVE-2022-1184)

    * concurrency use-after-free between drm_setmaster_ioctl and drm_mode_getresources (CVE-2022-1280)

    * kernel info leak issue in pfkey_register (CVE-2022-1353)

    * use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679)

    * NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

    * fanotify misuses fd_install() which could lead to use-after-free (CVE-2022-1998)

    * nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)

    * integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)

    * slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)

    * incomplete clean-up of multi-core shared buffers (aka SBDR) (CVE-2022-21123)

    * incomplete clean-up of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)

    * incomplete clean-up in specific special register write operations (aka DRPW) (CVE-2022-21166)

    * possible to use the debugger to write zero into a location of choice (CVE-2022-21499)

    * AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816,     CVE-2022-29900)

    * AMD: Branch Type Confusion (non-retbleed) (CVE-2022-23825)

    * Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

    * double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)

    * use after free in SUNRPC subsystem (CVE-2022-28893)

    * use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)

    * Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)

    * DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)

    * nf_tables disallow binding to already bound chain (CVE-2022-39190)

    * nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel installed on the remote host is prior to 5.15.43-20.123. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2022-001 advisory.

    A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds     memory write in the Linux kernel's BPF subsystem due to the way a user loads BTF. This flaw allows a local     user to crash or escalate their privileges on the system. (CVE-2022-0500)

    A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem.
    This flaw allows a local user to cause an out-of-bounds write issue. (CVE-2022-1015)

    A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a     use-after-free. This issue needs to handle return with proper preconditions, as it can lead to a kernel     information leak problem caused by a local, unprivileged attacker. (CVE-2022-1016)

    When the KVM updates the guest's page table entry, it will first use get_user_pages_fast() to pin the     page, and when it fails (e.g. the vma->flags has VM_IO or VM_PFNMAP), it will get corresponding VMA where     the page lies in through find_vma_intersection(), calculate the physical address, and map the page to the     kernel virtual address through memremap(), and finally, write the update.The problem is that when we get     the vma through find_vma_intersection(), only VM_PFNMAP is checked, not both VM_IO and VM_PFNMAP. In the     reproducer below, after the KVM_SET_USER_MEMORY_REGION is completed, we replace the guest's memory mapping     with the kernel-user shared region of io_uring and then perform the KVM_TRANSLATE operation, which finally     triggers the page table entry update. Now, memremap() will return page_offset_base (direct mapping of all     physical memory) + vaddr (the linear address of KVM_TRANSLATE) + vm_pgoff (the offset when io_uring     performs mmap(2)), and use the return value as the base address for CMPXCHG (write 0x21 in this case).
    Since both vaddr and vm_pgoff are controllable by the user-mode process, writing may exceed the previously     mapped guest memory space and trigger exceptions such as UAF. The vulnerability shares similarities with     CVE-2021-22543. (CVE-2022-1158)

    A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled.
    This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a     kernel oops condition that results in a denial of service. (CVE-2022-1263)

    A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This     flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a     leak of internal kernel information. (CVE-2022-1353)

    perf: Fix sys_perf_event_open() race against self (CVE-2022-1729)

    A flaw was found in the Linux kernel's adjust_ptr_min_max_vals in the kernel/bpf/verifier.c function. In     this flaw, a missing sanity check for *_OR_NULL pointer types that perform pointer arithmetic may cause a     kernel information leak issue. (CVE-2022-23222)

    The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets     are in the intended state. (CVE-2022-28893)

    Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to     cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14     and later versions. (CVE-2022-29581)

    A use-after-free flaw was found in the Linux kernel's io_uring interface subsystem in the way a user     triggers a race condition between timeout flush and removal. This flaw allows a local user to crash or     escalate their privileges on the system. (CVE-2022-29582)

    The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers     to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag. (CVE-2022-30594)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-9533 advisory.

    - KVM: x86/speculation: Disable Fill buffer clear within guests (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/speculation/mmio: Reuse SRBDS mitigation for SBDS (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/speculation/srbds: Update SRBDS mitigation selection (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data (Pawan Gupta)  [Orabug:
    34202258]  {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/speculation/mmio: Enable CPU Fill buffer clearing on idle (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/speculation: Add a common function for MD_CLEAR mitigation update (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - Documentation: Add documentation for Processor MMIO Stale Data (Pawan Gupta)  [Orabug: 34202258]     {CVE-2022-21123} {CVE-2022-21127} {CVE-2022-21125} {CVE-2022-21166}
    - lockdown: also lock down previous kgdb use (Daniel Thompson)  [Orabug: 34152698]  {CVE-2022-21499}
    - io_uring: fix race between timeout flush and removal (Jens Axboe)  [Orabug: 34115159]  {CVE-2022-29582}
    - KVM: x86: avoid calling x86 emulator without a decoded instruction (Sean Christopherson)  [Orabug:
    34205798]  {CVE-2022-1852} {CVE-2022-1852}
    - perf: Fix sys_perf_event_open() race against self (Peter Zijlstra)  [Orabug: 34172708]  {CVE-2022-1729}
    - af_key: add __GFP_ZERO flag for compose_sadb_supported in function pfkey_register (Haimin Zhang)     [Orabug: 34135342]  {CVE-2022-1353}
    - KVM: avoid NULL pointer dereference in kvm_dirty_ring_push (Paolo Bonzini)  [Orabug: 34048938]     {CVE-2022-1263}
    - can: ems_usb: ems_usb_start_xmit(): fix double dev_kfree_skb() in error path (Hangyu Hua)  [Orabug:
    34048326]  {CVE-2022-28390}
    - can: usb_8dev: usb_8dev_start_xmit(): fix double dev_kfree_skb() in error path (Hangyu Hua)  [Orabug:
    34048287]  {CVE-2022-28388}
    - ALSA: pcm: Fix races among concurrent prealloc proc writes (Takashi Iwai)  [Orabug: 34007904]     {CVE-2022-1048}
    - ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls (Takashi Iwai)  [Orabug:
    34007904]  {CVE-2022-1048}
    - ALSA: pcm: Fix races among concurrent read/write and buffer changes (Takashi Iwai)  [Orabug: 34007904]     {CVE-2022-1048}
    - ALSA: pcm: Fix races among concurrent hw_params and hw_free calls (Takashi Iwai)  [Orabug: 34007904]     {CVE-2022-1048}
    - KVM: x86/mmu: do compare-and-exchange of gPTE via the user address (Paolo Bonzini)  [Orabug: 34034593]     {CVE-2022-1158}
    - netfilter: nf_tables: validate registers coming from userspace. (Pablo Neira Ayuso)  [Orabug: 34012906]     {CVE-2022-1015}
    - netfilter: nf_tables: initialize registers in nft_do_chain() (Pablo Neira Ayuso)  [Orabug: 34012923]     {CVE-2022-1016}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7444 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

    * off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)

    * Race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference     (CVE-2020-36558)

    * use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)

    * Memory leak for large arguments in video_usercopy function in drivers/media/v4l2-core/v4l2-ioctl.c     (CVE-2021-30002)

    * smb2_ioctl_query_info NULL Pointer Dereference (CVE-2022-0168)

    * NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)

    * swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)

    * Uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)

    * Race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)

    * use-after-free in tc_new_tfilter() in net/sched/cls_api.c (CVE-2022-1055)

    * use-after-free and memory errors in ext4 when mounting and operating on a corrupted image     (CVE-2022-1184)

    * NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

    * buffer overflow in nft_set_desc_concat_parse() (CVE-2022-2078)

    * nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)

    * openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)

    * use-after-free when psi trigger is destroyed while being polled (CVE-2022-2938)

    * net/packet: slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)

    * possible to use the debugger to write zero into a location of choice (CVE-2022-21499)

    * Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

    * Memory leak in drivers/hid/hid-elo.c (CVE-2022-27950)

    * Double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)

    * Use after free in SUNRPC subsystem (CVE-2022-28893)

    * use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)

    * DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)

    * nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7933 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

    * off-path attacker may inject data or terminate victim's TCP session (CVE-2020-36516)

    * use-after-free vulnerability in function sco_sock_sendmsg() (CVE-2021-3640)

    * smb2_ioctl_query_info NULL pointer dereference (CVE-2022-0168)

    * NULL pointer dereference in udf_expand_file_adinicbdue() during writeback (CVE-2022-0617)

    * swiotlb information leak with DMA_FROM_DEVICE (CVE-2022-0854)

    * uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM (CVE-2022-1016)

    * race condition in snd_pcm_hw_free leading to use-after-free (CVE-2022-1048)

    * use-after-free and memory errors in ext4 when mounting and operating on a corrupted image     (CVE-2022-1184)

    * concurrency use-after-free between drm_setmaster_ioctl and drm_mode_getresources (CVE-2022-1280)

    * kernel info leak issue in pfkey_register (CVE-2022-1353)

    * use-after-free in ath9k_htc_probe_device() could cause an escalation of privileges (CVE-2022-1679)

    * NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

    * fanotify misuses fd_install() which could lead to use-after-free (CVE-2022-1998)

    * nf_tables cross-table potential use-after-free may lead to local privilege escalation (CVE-2022-2586)

    * openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() (CVE-2022-2639)

    * slab-out-of-bounds access in packet_recvmsg() (CVE-2022-20368)

    * incomplete clean-up of multi-core shared buffers (aka SBDR) (CVE-2022-21123)

    * incomplete clean-up of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)

    * incomplete clean-up in specific special register write operations (aka DRPW) (CVE-2022-21166)

    * possible to use the debugger to write zero into a location of choice (CVE-2022-21499)

    * AMD: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816,     CVE-2022-29900)

    * AMD: Branch Type Confusion (non-retbleed) (CVE-2022-23825)

    * Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

    * double free in ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c (CVE-2022-28390)

    * use after free in SUNRPC subsystem (CVE-2022-28893)

    * use-after-free due to improper update of reference count in net/sched/cls_u32.c (CVE-2022-29581)

    * Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)

    * DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c (CVE-2022-36946)

    * nf_tables disallow binding to already bound chain (CVE-2022-39190)

    * nfs_atomic_open() returns uninitialized data instead of ENOTDIR (CVE-2022-24448)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel-generic installed on the remote host is prior to 5.15.38 / 5.15.38_smp. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2022-129-01 advisory.

  - Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may     allow an authorized user to potentially enable information disclosure via local access. (CVE-2022-0001)

  - Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an     authorized user to potentially enable information disclosure via local access. (CVE-2022-0002)

  - A kernel information leak flaw was identified in the scsi_ioctl function in drivers/scsi/scsi_ioctl.c in     the Linux kernel. This flaw allows a local attacker with a special user privilege (CAP_SYS_ADMIN or     CAP_SYS_RAWIO) to create issues with confidentiality. (CVE-2022-0494)

  - A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds     memory write in the Linux kernel's BPF subsystem due to the way a user loads BTF. This flaw allows a local     user to crash or escalate their privileges on the system. (CVE-2022-0500)

  - Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making     it go out-of-memory via icmp6 packets of type 130 or 131. We recommend upgrading past commit     2d3916f3189172d5c69d33065c3c21119fe539fc. (CVE-2022-0742)

  - A memory leak flaw was found in the Linux kernel's DMA subsystem, in the way a user calls DMA_FROM_DEVICE.
    This flaw allows a local user to read random memory from the kernel space. (CVE-2022-0854)

  - An out-of-bounds (OOB) memory write flaw was found in the Linux kernel's watch_queue event notification     subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain     privileged access or cause a denial of service on the system. (CVE-2022-0995)

  - A use-after-free flaw was found in the Linux kernel's FUSE filesystem in the way a user triggers write().
    This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in     privilege escalation. (CVE-2022-1011)

  - A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem.
    This flaw allows a local user to cause an out-of-bounds write issue. (CVE-2022-1015)

  - A use-after-free flaw was found in the Linux kernel's sound subsystem in the way a user triggers     concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM     for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the     system. (CVE-2022-1048)

  - A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This     flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a     leak of internal kernel information. (CVE-2022-1353)

  - A NULL pointer dereference flaw was found in the Linux kernel's X.25 set of standardized network protocols     functionality in the way a user terminates their session using a simulated Ethernet card and continued     usage of this connection. This flaw allows a local user to crash the system. (CVE-2022-1516)

  - Linux PV device frontends vulnerable to attacks by backends T[his CNA information record relates to     multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Several Linux PV     device frontends are using the grant table interfaces for removing access rights of the backends in ways     being subject to race conditions, resulting in potential data leaks, data corruption by malicious     backends, and denial of service triggered by malicious backends: blkfront, netfront, scsifront and the     gntalloc driver are testing whether a grant reference is still in use. If this is not the case, they     assume that a following removal of the granted access will always succeed, which is not true in case the     backend has mapped the granted page between those two operations. As a result the backend can keep access     to the memory page of the guest no matter how the page will be used after the frontend I/O has finished.
    The xenbus driver has a similar problem, as it doesn't check the success of removing the granted access of     a shared ring buffer. blkfront: CVE-2022-23036 netfront: CVE-2022-23037 scsifront: CVE-2022-23038     gntalloc: CVE-2022-23039 xenbus: CVE-2022-23040 blkfront, netfront, scsifront, usbfront, dmabuf, xenbus,     9p, kbdfront, and pvcalls are using a functionality to delay freeing a grant reference until it is no     longer in use, but the freeing of the related data page is not synchronized with dropping the granted     access. As a result the backend can keep access to the memory page even after it has been freed and then     re-used for a different purpose. CVE-2022-23041 netfront will fail a BUG_ON() assertion if it fails to     revoke access in the rx path. This will result in a Denial of Service (DoS) situation of the guest which     can be triggered by the backend. CVE-2022-23042 (CVE-2022-23036, CVE-2022-23037, CVE-2022-23038,     CVE-2022-23039, CVE-2022-23040, CVE-2022-23041, CVE-2022-23042)

  - kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of     the availability of pointer arithmetic via certain *_OR_NULL pointer types. (CVE-2022-23222)

  - Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation,     aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to     influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive     information. (CVE-2022-23960)

  - drivers/usb/gadget/legacy/inode.c in the Linux kernel through 5.16.8 mishandles dev->buf release.
    (CVE-2022-24958)

  - st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has     EVT_TRANSACTION buffer overflows because of untrusted length parameters. (CVE-2022-26490)

  - A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and     net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap     objects and may cause a local privilege escalation threat. (CVE-2022-27666)

  - In the Linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c. (CVE-2022-28356)

  - usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double     free. (CVE-2022-28388)

  - mcba_usb_start_xmit in drivers/net/can/usb/mcba_usb.c in the Linux kernel through 5.17.1 has a double     free. (CVE-2022-28389)

  - ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c in the Linux kernel through 5.17.1 has a double free.
    (CVE-2022-28390)

  - In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring     timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race     condition perhaps can only be exploited infrequently. (CVE-2022-29582)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5469-1 advisory.

    It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when     booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot     restrictions. (CVE-2022-21499)

    Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the     removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local     attacker could use this to cause a denial of service (system crash) or execute arbitrary code.
    (CVE-2022-1966)

    Billy Jheng Bing Jhong discovered that the CIFS network file system implementation in the Linux kernel did     not properly validate arguments to ioctl() in some situations. A local attacker could possibly use this to     cause a denial of service (system crash). (CVE-2022-0168)

    Hu Jiahui discovered that multiple race conditions existed in the Advanced Linux Sound Architecture (ALSA)     framework, leading to use-after-free vulnerabilities. A local attacker could use these to cause a denial     of service (system crash) or possibly execute arbitrary code. (CVE-2022-1048)

    Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM implementation in the Linux kernel did not     properly perform guest page table updates in some situations. An attacker in a guest vm could possibly use     this to crash the host OS. (CVE-2022-1158)

    It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not     handle detach events properly in some situations, leading to a use-after-free vulnerability. A local     attacker could possibly use this to cause a denial of service (system crash). (CVE-2022-1195)

    Duoming Zhou discovered that the 6pack protocol implementation in the Linux kernel did not handle detach     events properly in some situations, leading to a use-after-free vulnerability. A local attacker could use     this to cause a denial of service (system crash). (CVE-2022-1198)

    Duoming Zhou discovered that the AX.25 amateur radio protocol implementation in the Linux kernel did not     handle detach events properly in some situations. A local attacker could possibly use this to cause a     denial of service (system crash) or execute arbitrary code. (CVE-2022-1199)

    Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol implementation in the Linux     kernel during device detach operations. A local attacker could possibly use this to cause a denial of     service (system crash). (CVE-2022-1204)

    Duoming Zhou discovered race conditions in the AX.25 amateur radio protocol implementation in the Linux     kernel, leading to use-after-free vulnerabilities. A local attacker could possibly use this to cause a     denial of service (system crash). (CVE-2022-1205)

    Qiuhao Li, Gaoning Pan, and Yongkang Jia discovered that the kvm implementation in the Linux kernel did     not handle releasing a virtual cpu properly. A local attacker in a guest VM coud possibly use this to     cause a denial of service (host system crash). (CVE-2022-1263)

    It was discovered that the PF_KEYv2 implementation in the Linux kernel did not properly initialize kernel     memory in some situations. A local attacker could use this to expose sensitive information (kernel     memory). (CVE-2022-1353)

    It was discovered that the implementation of X.25 network protocols in the Linux kernel did not terminate     link layer sessions properly. A local attacker could possibly use this to cause a denial of service     (system crash). (CVE-2022-1516)

    It was discovered that the ACRN Hypervisor Service Module implementation in the Linux kernel did not     properly deallocate memory in some situations. A local privileged attacker could possibly use this to     cause a denial of service (memory exhaustion). (CVE-2022-1651)

    It was discovered that the RxRPC session socket implementation in the Linux kernel did not properly handle     ioctls called when no security protocol is given. A local attacker could use this to cause a denial of     service (system crash) or possibly expose sensitive information (kernel memory). (CVE-2022-1671)

    Ziming Zhang discovered that the netfilter subsystem in the Linux kernel did not properly validate sets     with multiple ranged fields. A local attacker could use this to cause a denial of service or execute     arbitrary code. (CVE-2022-1972)

     discovered that the 802.2 LLC type 2 driver in the Linux kernel did not properly perform     reference counting in some error conditions. A local attacker could use this to cause a denial of service.
    (CVE-2022-28356)

    It was discovered that the 8 Devices USB2CAN interface implementation in the Linux kernel did not properly     handle certain error conditions, leading to a double-free. A local attacker could possibly use this to     cause a denial of service (system crash). (CVE-2022-28388)

    It was discovered that the Microchip CAN BUS Analyzer interface implementation in the Linux kernel did not     properly handle certain error conditions, leading to a double-free. A local attacker could possibly use     this to cause a denial of service (system crash). (CVE-2022-28389)

    It was discovered that the EMS CAN/USB interface implementation in the Linux kernel contained a double-     free vulnerability when handling certain error conditions. A local attacker could use this to cause a     denial of service (memory exhaustion). (CVE-2022-28390)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of kernel installed on the remote host is prior to 5.15.43-20.103. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2023-023 advisory.

    2024-03-13: CVE-2022-48619 was added to this advisory.

    2023-10-12: CVE-2021-3923 was added to this advisory.

    2023-08-31: CVE-2023-4459 was added to this advisory.

    2023-08-31: CVE-2023-1637 was added to this advisory.

    2023-08-31: CVE-2023-4387 was added to this advisory.

    An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause     a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that     SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25. (CVE-2021-28951)

    A flaw was found in the Linux kernel's implementation of RDMA over infiniband. An attacker with a     privileged local account can leak kernel stack information when issuing commands to the     /dev/infiniband/rdma_cm device node. While this access is unlikely to leak sensitive user information, it     can be further used to defeat existing kernel protection mechanisms. (CVE-2021-3923)

    A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds     memory write in the Linux kernel's BPF subsystem due to the way a user loads BTF. This flaw allows a local     user to crash or escalate their privileges on the system. (CVE-2022-0500)

    A flaw was found in the Linux kernel in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem.
    This flaw allows a local user to cause an out-of-bounds write issue. (CVE-2022-1015)

    A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a     use-after-free. This issue needs to handle return with proper preconditions, as it can lead to a kernel     information leak problem caused by a local, unprivileged attacker. (CVE-2022-1016)

    When the KVM updates the guest's page table entry, it will first use get_user_pages_fast() to pin the     page, and when it fails (e.g. the vma->flags has VM_IO or VM_PFNMAP), it will get corresponding VMA where     the page lies in through find_vma_intersection(), calculate the physical address, and map the page to the     kernel virtual address through memremap(), and finally, write the update.The problem is that when we get     the vma through find_vma_intersection(), only VM_PFNMAP is checked, not both VM_IO and VM_PFNMAP. In the     reproducer below, after the KVM_SET_USER_MEMORY_REGION is completed, we replace the guest's memory mapping     with the kernel-user shared region of io_uring and then perform the KVM_TRANSLATE operation, which finally     triggers the page table entry update. Now, memremap() will return page_offset_base (direct mapping of all     physical memory) + vaddr (the linear address of KVM_TRANSLATE) + vm_pgoff (the offset when io_uring     performs mmap(2)), and use the return value as the base address for CMPXCHG (write 0x21 in this case).
    Since both vaddr and vm_pgoff are controllable by the user-mode process, writing may exceed the previously     mapped guest memory space and trigger exceptions such as UAF. The vulnerability shares similarities with     CVE-2021-22543. (CVE-2022-1158)

    A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled.
    This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a     kernel oops condition that results in a denial of service. (CVE-2022-1263)

    A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This     flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a     leak of internal kernel information. (CVE-2022-1353)

    perf: Fix sys_perf_event_open() race against self (CVE-2022-1729)

    A flaw was found in the Linux kernel's adjust_ptr_min_max_vals in the kernel/bpf/verifier.c function. In     this flaw, a missing sanity check for *_OR_NULL pointer types that perform pointer arithmetic may cause a     kernel information leak issue. (CVE-2022-23222)

    An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of     actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size()     function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This     flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-2639)

    The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets     are in the intended state. (CVE-2022-28893)

    Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to     cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14     and later versions. (CVE-2022-29581)

    A use-after-free flaw was found in the Linux kernel's io_uring interface subsystem in the way a user     triggers a race condition between timeout flush and removal. This flaw allows a local user to crash or     escalate their privileges on the system. (CVE-2022-29582)

    The Linux kernel before 5.17.2 mishandles seccomp permissions. The PTRACE_SEIZE code path allows attackers     to bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag. (CVE-2022-30594)

    An issue was discovered in drivers/input/input.c in the Linux kernel before 5.17.10. An attacker can cause     a denial of service (panic) because input_set_capability mishandles the situation in which an event code     falls outside of a bitmap. (CVE-2022-48619)

    A flaw that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the     Linux kernel X86 CPU Power management options functionality was found in the way user resuming CPU from     suspend-to-RAM. A local user could use this flaw to potentially get unauthorized access to some memory of     the CPU similar to the speculative execution behavior kind of attacks. (CVE-2023-1637)

    A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network     subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the     system, and could even lead to a kernel information leak problem. (CVE-2023-1838)

    Improper restriction of operations within the bounds of a memory buffer in some Intel(R) i915 Graphics     drivers for linux before kernel version 6.2.10 may allow an authenticated user to potentially enable     escalation of privilege via local access. (CVE-2023-28410)

    A use-after-free flaw was found in vmxnet3_rq_alloc_rx_buf in drivers/net/vmxnet3/vmxnet3_drv.c in     VMware's vmxnet3 ethernet NIC driver in the Linux Kernel. This issue could allow a local attacker to crash     the system due to a double-free while cleaning up vmxnet3_rq_cleanup_all, which could also lead to a     kernel information leak problem. (CVE-2023-4387)

    A NULL pointer dereference flaw was found in vmxnet3_rq_cleanup in drivers/net/vmxnet3/vmxnet3_drv.c in     the networking sub-component in vmxnet3 in the Linux Kernel. This issue may allow a local attacker with     normal user privilege to cause a denial of service due to a missing sanity check during cleanup.
    (CVE-2023-4459)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
229738	Linux Distros Unpatched Vulnerability : CVE-2022-1263	Nessus	Misc.	2025/3/5	2025/9/6	medium
167155	RHEL 8 : kernel (RHSA-2022:7683)	Nessus	Red Hat Local Security Checks	2022/11/9	2025/11/20	high
169292	SUSE SLES15 Security Update : kernel (SUSE-SU-2022:4617-1)	Nessus	SuSE Local Security Checks	2022/12/24	2025/9/25	high
166793	SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2022:3844-1)	Nessus	SuSE Local Security Checks	2022/11/2	2024/6/26	high
167620	RHEL 9 : kernel (RHSA-2022:8267)	Nessus	Red Hat Local Security Checks	2022/11/16	2025/9/12	high
162006	Amazon Linux 2 : kernel (ALASKERNEL-5.15-2022-001)	Nessus	Amazon Linux Local Security Checks	2022/6/10	2026/2/26	high
162660	Oracle Linux 8 : Unbreakable Enterprise kernel (ELSA-2022-9533)	Nessus	Oracle Linux Local Security Checks	2022/7/1	2026/2/9	high
167095	RHEL 8 : kernel-rt (RHSA-2022:7444)	Nessus	Red Hat Local Security Checks	2022/11/8	2024/11/8	high
167544	RHEL 9 : kernel-rt (RHSA-2022:7933)	Nessus	Red Hat Local Security Checks	2022/11/15	2025/9/12	high
160874	Slackware Linux 15.0 kernel-generic Multiple Vulnerabilities (SSA:2022-129-01)	Nessus	Slackware Local Security Checks	2022/5/10	2023/1/13	high
173106	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-070)	Nessus	Amazon Linux Local Security Checks	2023/3/21	2026/2/24	high
161955	Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-5469-1)	Nessus	Ubuntu Local Security Checks	2022/6/8	2024/8/27	high
180569	Amazon Linux 2 : kernel (ALASKERNEL-5.15-2023-023)	Nessus	Amazon Linux Local Security Checks	2023/9/6	2026/1/26	high

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