The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4284-1 advisory.

    It was discovered that the Linux kernel did not properly clear data structures on context switches for     certain Intel graphics processors. A local attacker could use this to expose sensitive information.
    (CVE-2019-14615)

    It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not     properly validate device metadata. A physically proximate attacker could use this to cause a denial of     service (system crash). (CVE-2019-15099)

    It was discovered that the HSA Linux kernel driver for AMD GPU devices did not properly check for errors     in certain situations, leading to a NULL pointer dereference. A local attacker could possibly use this to     cause a denial of service. (CVE-2019-16229)

    It was discovered that the Marvell 8xxx Libertas WLAN device driver in the Linux kernel did not properly     check for errors in certain situations, leading to a NULL pointer dereference. A local attacker could     possibly use this to cause a denial of service. (CVE-2019-16232)

    It was discovered that a race condition existed in the Virtual Video Test Driver in the Linux kernel. An     attacker with write access to /dev/video0 on a system with the vivid module loaded could possibly use this     to gain administrative privileges. (CVE-2019-18683)

    It was discovered that the Renesas Digital Radio Interface (DRIF) driver in the Linux kernel did not     properly initialize data. A local attacker could possibly use this to expose sensitive information (kernel     memory). (CVE-2019-18786)

    It was discovered that the Sound Open Firmware (SOF) driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could use this to cause a denial of     service (kernel memory exhaustion). (CVE-2019-18811)

    It was discovered that the crypto subsystem in the Linux kernel did not properly deallocate memory in     certain error conditions. A local attacker could use this to cause a denial of service (kernel memory     exhaustion). (CVE-2019-19050, CVE-2019-19062)

    It was discovered that multiple memory leaks existed in the Marvell WiFi-Ex Driver for the Linux kernel. A     local attacker could possibly use this to cause a denial of service (kernel memory exhaustion).
    (CVE-2019-19057)

    It was discovered that the Realtek rtlwifi USB device driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial     of service (kernel memory exhaustion). (CVE-2019-19063)

    It was discovered that the RSI 91x WLAN device driver in the Linux kernel did not properly deallocate     memory in certain error conditions. A local attacker could use this to cause a denial of service (kernel     memory exhaustion). (CVE-2019-19071)

    It was discovered that the Broadcom Netxtreme HCA device driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial     of service (kernel memory exhaustion). (CVE-2019-19077)

    It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not     properly deallocate memory in certain error conditions. A local attacker could possibly use this to cause     a denial of service (kernel memory exhaustion). (CVE-2019-19078)

    It was discovered that the AMD GPU device drivers in the Linux kernel did not properly deallocate memory     in certain error conditions. A local attacker could use this to possibly cause a denial of service (kernel     memory exhaustion). (CVE-2019-19082)

    It was discovered that the IO uring implementation in the Linux kernel did not properly perform     credentials checks in certain situations. A local attacker could possibly use this to gain administrative     privileges. (CVE-2019-19241)

    Or Cohen discovered that the virtual console subsystem in the Linux kernel did not properly restrict     writes to unimplemented vcsu (unicode) devices. A local attacker could possibly use this to cause a denial     of service (system crash) or have other unspecified impacts. (CVE-2019-19252)

    It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly handle ioctl     requests to get emulated CPUID features. An attacker with access to /dev/kvm could use this to cause a     denial of service (system crash). (CVE-2019-19332)

    It was discovered that a race condition existed in the Linux kernel on x86 platforms when keeping track of     which process was assigned control of the FPU. A local attacker could use this to cause a denial of     service (memory corruption) or possibly gain administrative privileges. (CVE-2019-19602)

    It was discovered that the ext4 file system implementation in the Linux kernel did not properly handle     certain conditions. An attacker could use this to specially craft an ext4 file system that, when mounted,     could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-19767)

    It was discovered that the Kvaser CAN/USB driver in the Linux kernel did not properly initialize memory in     certain situations. A local attacker could possibly use this to expose sensitive information (kernel     memory). (CVE-2019-19947)

    Gao Chuan discovered that the SAS Class driver in the Linux kernel contained a race condition that could     lead to a NULL pointer dereference. A local attacker could possibly use this to cause a denial of service     (system crash). (CVE-2019-19965)

    It was discovered that the B2C2 FlexCop USB device driver in the Linux kernel did not properly validate     device metadata. A physically proximate attacker could use this to cause a denial of service (system     crash). (CVE-2019-15291)

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 remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4285-1 advisory.

    It was discovered that the Linux kernel did not properly clear data structures on context switches for     certain Intel graphics processors. A local attacker could use this to expose sensitive information.
    (CVE-2019-14615)

    It was discovered that the HSA Linux kernel driver for AMD GPU devices did not properly check for errors     in certain situations, leading to a NULL pointer dereference. A local attacker could possibly use this to     cause a denial of service. (CVE-2019-16229)

    It was discovered that the Marvell 8xxx Libertas WLAN device driver in the Linux kernel did not properly     check for errors in certain situations, leading to a NULL pointer dereference. A local attacker could     possibly use this to cause a denial of service. (CVE-2019-16232)

    It was discovered that the Renesas Digital Radio Interface (DRIF) driver in the Linux kernel did not     properly initialize data. A local attacker could possibly use this to expose sensitive information (kernel     memory). (CVE-2019-18786).

    It was discovered that the Afatech AF9005 DVB-T USB device driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial     of service (kernel memory exhaustion). (CVE-2019-18809)

    It was discovered that multiple memory leaks existed in the Marvell WiFi-Ex Driver for the Linux kernel. A     local attacker could possibly use this to cause a denial of service (kernel memory exhaustion).
    (CVE-2019-19057)

    It was discovered that the Realtek rtlwifi USB device driver in the Linux kernel did not properly     deallocate memory in certain error conditions. A local attacker could possibly use this to cause a denial     of service (kernel memory exhaustion). (CVE-2019-19063)

    It was discovered that the Kvaser CAN/USB driver in the Linux kernel did not properly initialize memory in     certain situations. A local attacker could possibly use this to expose sensitive information (kernel     memory). (CVE-2019-19947)

    Gao Chuan discovered that the SAS Class driver in the Linux kernel contained a race condition that could     lead to a NULL pointer dereference. A local attacker could possibly use this to cause a denial of service     (system crash). (CVE-2019-19965)

    It was discovered that the Datagram Congestion Control Protocol (DCCP) implementation in the Linux kernel     did not properly deallocate memory in certain error conditions. An attacker could possibly use this to     cause a denial of service (kernel memory exhaustion). (CVE-2019-20096)

    Mitchell Frank discovered that the Wi-Fi implementation in the Linux kernel when used as an access point     would send IAPP location updates for stations before client authentication had completed. A physically     proximate attacker could use this to cause a denial of service. (CVE-2019-5108)

    It was discovered that a race condition can lead to a use-after-free while destroying GEM contexts in the     i915 driver for the Linux kernel. A local attacker could use this to cause a denial of service (system     crash) or possibly execute arbitrary code. (CVE-2020-7053)

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 remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4140 advisory.

  - kernel: Intel graphics card information leak. (CVE-2019-14615)

  - kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)

  - kernel: Improper input validation in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24502)

  - kernel: Insufficient access control in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24503)

  - kernel: Uncontrolled resource consumption in some Intel(R) Ethernet E810 Adapter drivers (CVE-2020-24504)

  - kernel: Fragmentation cache not cleared on reconnection (CVE-2020-24586)

  - kernel: Reassembling fragments encrypted under different keys (CVE-2020-24587)

  - kernel: wifi frame payload being parsed incorrectly as an L2 frame (CVE-2020-24588)

  - kernel: Forwarding EAPOL from unauthenticated wifi client (CVE-2020-26139)

  - kernel: accepting plaintext data frames in protected networks (CVE-2020-26140)

  - kernel: not verifying TKIP MIC of fragmented frames (CVE-2020-26141)

  - kernel: accepting fragmented plaintext frames in protected networks (CVE-2020-26143)

  - kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header (CVE-2020-26144)

  - kernel: accepting plaintext broadcast fragments as full frames (CVE-2020-26145)

  - kernel: reassembling encrypted fragments with non-consecutive packet numbers (CVE-2020-26146)

  - kernel: reassembling mixed encrypted/plaintext fragments (CVE-2020-26147)

  - kernel: the copy-on-write implementation can grant unintended write access because of a race condition in     a THP mapcount check (CVE-2020-29368)

  - kernel: locking inconsistency in drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c can lead to a read-     after-free (CVE-2020-29660)

  - kernel: buffer overflow in mwifiex_cmd_802_11_ad_hoc_start function in     drivers/net/wireless/marvell/mwifiex/join.c via a long SSID value (CVE-2020-36158)

  - kernel: memory leak upon a kmalloc failure in kvm_io_bus_unregister_dev function in virt/kvm/kvm_main.c     (CVE-2020-36312)

  - kernel: slab out-of-bounds read in hci_extended_inquiry_result_evt() in net/bluetooth/hci_event.c     (CVE-2020-36386)

  - kernel: Improper access control in BlueZ may allow information disclosure vulnerability. (CVE-2021-0129)

  - kernel: heap overflow in __cgroup_bpf_run_filter_getsockopt() (CVE-2021-20194)

  - kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure (CVE-2021-20239)

  - kernel: Race condition in sctp_destroy_sock list_del (CVE-2021-23133)

  - kernel: fuse: stall on CPU can occur because a retry loop continually finds the same bad inode     (CVE-2021-28950)

  - kernel: System crash in intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c (CVE-2021-28971)

  - kernel: protection for sequences of pointer arithmetic operations against speculatively out-of-bounds     loads can be bypassed to leak content of kernel memory (CVE-2021-29155)

  - kernel: improper input validation in tipc_nl_retrieve_key function in net/tipc/node.c (CVE-2021-29646)

  - kernel: lack a full memory barrier upon the assignment of a new table value in net/netfilter/x_tables.c     and include/linux/netfilter/x_tables.h may lead to DoS (CVE-2021-29650)

  - kernel: local escalation of privileges in handling of eBPF programs (CVE-2021-31440)

  - kernel: protection of stack pointer against speculative pointer arithmetic can be bypassed to leak content     of kernel memory (CVE-2021-31829)

  - kernel: out of bounds array access in drivers/md/dm-ioctl.c (CVE-2021-31916)

  - kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c (CVE-2021-33033)

  - kernel: out-of-bounds reads and writes due to enforcing incorrect limits for pointer arithmetic operations     by BPF verifier (CVE-2021-33200)

  - kernel: Use-after-free in ndb_queue_rq() in drivers/block/nbd.c (CVE-2021-3348)

  - kernel: Linux kernel eBPF RINGBUF map oversized allocation (CVE-2021-3489)

  - kernel: double free in bluetooth subsystem when the HCI device initialization fails (CVE-2021-3564)

  - kernel: use-after-free in function hci_sock_bound_ioctl() (CVE-2021-3573)

  - kernel: eBPF 32-bit source register truncation on div/mod (CVE-2021-3600)

  - kernel: flowtable list del corruption with kernel BUG at lib/list_debug.c:50 (CVE-2021-3635)

  - kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c (CVE-2021-3659)

  - kernel: DoS in rb_per_cpu_empty() (CVE-2021-3679)

  - kernel: overlayfs: Mounting overlayfs inside an unprivileged user namespace can reveal files     (CVE-2021-3732)

Note that Nessus has not tested for this issue 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
133797	Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4284-1)	Nessus	Ubuntu Local Security Checks	2020/2/19	2024/8/27	high
133798	Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4285-1)	Nessus	Ubuntu Local Security Checks	2020/2/19	2024/8/27	high
155070	CentOS 8 : kernel-rt (CESA-2021:4140)	Nessus	CentOS Local Security Checks	2021/11/11	2024/1/16	high

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