The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4904-1 advisory.

    Ben Harris discovered that the Linux kernel would strip extended privilege attributes of files when     performing a failed unprivileged system call. A local attacker could use this to cause a denial of     service. (CVE-2015-1350)

    Andrey Konovalov discovered that the video4linux driver for Hauppauge HD PVR USB devices in the Linux     kernel did not properly handle some error conditions. A physically proximate attacker could use this to     cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-16644)

    It was discovered that the timer stats implementation in the Linux kernel allowed the discovery of a real     PID value while inside a PID namespace. A local attacker could use this to expose sensitive information.
    (CVE-2017-5967)

    Wen Xu discovered that the xfs file system implementation in the Linux kernel did not properly validate     the number of extents in an inode. An attacker could use this to construct a malicious xfs image that,     when mounted, could cause a denial of service (system crash). (CVE-2018-13095)

    It was discovered that the Fujitsu ES network device driver for the Linux kernel did not properly check     for errors in some situations, leading to a NULL pointer dereference. A local attacker could use this to     cause a denial of service. (CVE-2019-16231)

    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 ADIS16400 IIO IMU Driver for the Linux kernel did not properly deallocate     memory in certain error conditions. A local attacker could use this to cause a denial of service (memory     exhaustion). (CVE-2019-19061)

    It was discovered that a race condition existed in the floppy device driver in the Linux kernel. An     attacker with access to the floppy device could use this to cause a denial of service (system crash) or     possibly execute arbitrary code. (CVE-2021-20261)

    Olivier Benjamin, Norbert Manthey, Martin Mazein, and Jan H. Schnherr discovered that the Xen     paravirtualization backend in the Linux kernel did not properly propagate errors to frontend drivers in     some situations. An attacker in a guest VM could possibly use this to cause a denial of service (host     domain crash). (CVE-2021-26930)

    Jan Beulich discovered that multiple Xen backends in the Linux kernel did not properly handle certain     error conditions under paravirtualization. An attacker in a guest VM could possibly use this to cause a     denial of service (host domain crash). (CVE-2021-26931)

    Jan Beulich discovered that the Xen netback backend in the Linux kernel did not properly handle certain     error conditions under paravirtualization. An attacker in a guest VM could possibly use this to cause a     denial of service (host domain crash). (CVE-2021-28038)

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 4.13.16 update contains various fixes across the tree.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The SUSE Linux Enterprise 12 SP2 kernel was updated to 4.4.120 to receive various security and bugfixes. The following security bugs were fixed :

  - CVE-2017-13166: An elevation of privilege vulnerability     in the v4l2 video driver was fixed. (bnc#1072865).

  - CVE-2017-15951: The KEYS subsystem did not correctly     synchronize the actions of updating versus finding a key     in the 'negative' state to avoid a race condition, which     allowed local users to cause a denial of service or     possibly have unspecified other impact via crafted     system calls (bnc#1062840 bnc#1065615).

  - CVE-2017-16644: The hdpvr_probe function in     drivers/media/usb/hdpvr/hdpvr-core.c allowed local users     to cause a denial of service (improper error handling     and system crash) or possibly have unspecified other     impact via a crafted USB device (bnc#1067118).

  - CVE-2017-16912: The 'get_pipe()' function     (drivers/usb/usbip/stub_rx.c) allowed attackers to cause     a denial of service (out-of-bounds read) via a specially     crafted USB over IP packet (bnc#1078673).

  - CVE-2017-16913: The 'stub_recv_cmd_submit()' function     (drivers/usb/usbip/stub_rx.c) when handling CMD_SUBMIT     packets allowed attackers to cause a denial of service     (arbitrary memory allocation) via a specially crafted     USB over IP packet (bnc#1078672).

  - CVE-2017-17975: Use-after-free in the usbtv_probe     function in drivers/media/usb/usbtv/usbtv-core.c allowed     attackers to cause a denial of service (system crash) or     possibly have unspecified other impact by triggering     failure of audio registration, because a kfree of the     usbtv data structure occurs during a usbtv_video_free     call, but the usbtv_video_fail label's code attempts to     both access and free this data structure (bnc#1074426).

  - CVE-2017-18208: The madvise_willneed function in     mm/madvise.c allowed local users to cause a denial of     service (infinite loop) by triggering use of     MADVISE_WILLNEED for a DAX mapping (bnc#1083494).

  - CVE-2018-8087: Memory leak in the hwsim_new_radio_nl     function in drivers/net/wireless/mac80211_hwsim.c     allowed local users to cause a denial of service (memory     consumption) by triggering an out-of-array error case     (bnc#1085053).

  - CVE-2018-1000026: A insufficient input validation     vulnerability in the bnx2x network card driver could     result in DoS: Network card firmware assertion takes     card off-line. This attack appear to be exploitable via     An attacker on a must pass a very large, specially     crafted packet to the bnx2x card. This can be done from     an untrusted guest VM. (bnc#1079384).

  - CVE-2018-1068: Insufficient user provided offset     checking in the ebtables compat code allowed local     attackers to overwrite kernel memory and potentially     execute code. (bsc#1085107)

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001664 advisory.

    The hdpvr_probe function in drivers/media/usb/hdpvr/hdpvr-core.c in the Linux kernel through 4.13.11     allows local users to cause a denial of service (improper error handling and system crash) or possibly     have unspecified other impact via a crafted USB device.

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

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

The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed :

  - CVE-2017-5715: Systems with microprocessors utilizing     speculative execution and indirect branch prediction may     allow unauthorized disclosure of information to an     attacker with local user access via a side-channel     analysis (bnc#1068032). Enhancements and bugfixes over     the previous fixes have been added to this kernel.

  - CVE-2018-10087: The kernel_wait4 function in     kernel/exit.c might have allowed local users to cause a     denial of service by triggering an attempted use of the
    -INT_MIN value (bnc#1089608).

  - CVE-2018-7757: Memory leak in the sas_smp_get_phy_events     function in drivers/scsi/libsas/sas_expander.c allowed     local users to cause a denial of service (memory     consumption) via many read accesses to files in the     /sys/class/sas_phy directory, as demonstrated by the     /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file     (bnc#1084536).

  - CVE-2018-7566: There was a buffer overflow via an     SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write operation to     /dev/snd/seq by a local user (bnc#1083483).

  - CVE-2017-0861: Use-after-free vulnerability in the     snd_pcm_info function in the ALSA subsystem allowed     attackers to gain privileges via unspecified vectors     (bnc#1088260).

  - CVE-2018-8822: Incorrect buffer length handling in the     ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c     could be exploited by malicious NCPFS servers to crash     the kernel or execute code (bnc#1086162).

  - CVE-2017-13166: An elevation of privilege vulnerability     in the kernel v4l2 video driver. (bnc#1072865).

  - CVE-2017-18203: The dm_get_from_kobject function in     drivers/md/dm.c allowed local users to cause a denial of     service (BUG) by leveraging a race condition with
    __dm_destroy during creation and removal of DM devices     (bnc#1083242).

  - CVE-2017-16911: The vhci_hcd driver allowed allows local     attackers to disclose kernel memory addresses.
    Successful exploitation requires that a USB device is     attached over IP (bnc#1078674).

  - CVE-2017-18208: The madvise_willneed function in     mm/madvise.c local users to cause a denial of service     (infinite loop) by triggering use of MADVISE_WILLNEED     for a DAX mapping (bnc#1083494).

  - CVE-2017-16644: The hdpvr_probe function in     drivers/media/usb/hdpvr/hdpvr-core.c allowed local users     to cause a denial of service (improper error handling     and system crash) or possibly have unspecified other     impact via a crafted USB device (bnc#1067118).

  - CVE-2018-6927: The futex_requeue function in     kernel/futex.c in the Linux kernel might allow attackers     to cause a denial of service (integer overflow) or     possibly have unspecified other impact by triggering a     negative wake or requeue value (bnc#1080757).

  - CVE-2017-16914: The 'stub_send_ret_submit()' function     (drivers/usb/usbip/stub_tx.c) allowed attackers to cause     a denial of service (NULL pointer dereference) via a     specially crafted USB over IP packet (bnc#1078669).

  - CVE-2016-7915: The hid_input_field function in     drivers/hid/hid-core.c allowed physically proximate     attackers to obtain sensitive information from kernel     memory or cause a denial of service (out-of-bounds read)     by connecting a device, as demonstrated by a Logitech DJ     receiver (bnc#1010470).

  - CVE-2015-5156: The virtnet_probe function in     drivers/net/virtio_net.c attempted to support a FRAGLIST     feature without proper memory allocation, which allowed     guest OS users to cause a denial of service (buffer     overflow and memory corruption) via a crafted sequence     of fragmented packets (bnc#940776).

  - CVE-2017-12190: The bio_map_user_iov and bio_unmap_user     functions in block/bio.c did unbalanced refcounting when     a SCSI I/O vector has small consecutive buffers     belonging to the same page. The bio_add_pc_page function     merges them into one, but the page reference is never     dropped. This causes a memory leak and possible system     lockup (exploitable against the host OS by a guest OS     user, if a SCSI disk is passed through to a virtual     machine) due to an out-of-memory condition     (bnc#1062568).

  - CVE-2017-16912: The 'get_pipe()' function     (drivers/usb/usbip/stub_rx.c) allowed attackers to cause     a denial of service (out-of-bounds read) via a specially     crafted USB over IP packet (bnc#1078673).

  - CVE-2017-16913: The 'stub_recv_cmd_submit()' function     (drivers/usb/usbip/stub_rx.c) when handling CMD_SUBMIT     packets allowed attackers to cause a denial of service     (arbitrary memory allocation) via a specially crafted     USB over IP packet (bnc#1078672).

The update package also includes non-security fixes. See advisory for details.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
148498	Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4904-1)	Nessus	Ubuntu Local Security Checks	2021/4/14	2024/8/27	high
104979	Fedora 25 : kernel (2017-905bb449bc)	Nessus	Fedora Local Security Checks	2017/12/4	2025/11/12	medium
108648	SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:0785-1)	Nessus	SuSE Local Security Checks	2018/3/27	2024/12/4	high
290456	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001664)	Nessus	Unity Linux Local Security Checks	2026/1/16	2026/1/16	medium
109360	SUSE SLES11 Security Update : kernel (SUSE-SU-2018:1080-1) (Spectre)	Nessus	SuSE Local Security Checks	2018/4/26	2024/10/24	high

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