The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0765 advisory.

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

    Security Fix(es):

    * kernel: bad kfree in auditfilter.c may lead to escalation of privilege (CVE-2020-0444)

    * kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c     (CVE-2020-25211)

    * kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)

    * kernel: performance counters race condition use-after-free (CVE-2020-14351)

    * kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705)

    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.

    Bug Fix(es):

    * RHEL8.1 - net/smc: fix silent data corruption in SMC (BZ#1882241)

    * [mlx5] VF interface stats are not reflected in ip -s link show / ifconfig <vf> commands (BZ#1889301)

    * [mlx5] IPV6 TOS rewrite flows are not getting offloaded in HW (BZ#1897689)

    * RHEL 8.1 - Call traces show I/O stuck for more than 120 sec when at least one path is available for     NVMe/IB (BZ#1901525)

    * RHEL8: kernel-rt: kernel BUG at kernel/sched/deadline.c:1462! (BZ#1908732)

    * [Hyper-V][RHEL-8] Request to included a commit that adds a timeout to vmbus_wait_for_unload (BZ#1913529)

    * Host becomes unresponsive during stress-ng --cyclic test rcu: INFO: rcu_preempt detected stalls on     CPUs/tasks: (BZ#1913965)

    * race condition when creating child sockets from syncookies (BZ#1915530)

    * Missing mm backport to fix regression introduced by another mm backport (BZ#1915815)

    * On System Z, a hash needs state randomized for entropy extraction (BZ#1915817)

    * [Hyper-V][RHEL-8]video: hyperv_fb: Fix the cache type when mapping the VRAM Edit (BZ#1917712)

    * kvm-rhel8.3 [AMD] - system crash observed while powering on virtual machine with attached VF interfaces.
    (BZ#1919886)

    * [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap (BZ#1929909)

    * rpmbuild cannot build the userspace RPMs in the kernel package when the kernel itself is not built     (BZ#1929911)

    Enhancement(s):

    * [Mellanox 8.4 FEAT] mlx5: Add messages when VF-LAG fails to start (BZ#1892345)

    * Add kernel option to change cpumask for kernel threads (BZ#1915344)

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.

Detections

Analytics

RHEL 8 : kernel (RHSA-2021:0765)

high Nessus Plugin ID 147207

Version 1.14

Version 1.13

Version 1.12

Version 1.11

Version 1.10

Version 1.14 Nov 8, 2024, 2:25 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411080225
Version 1.13 Apr 25, 2024, 2:46 AM Detection (updated detection logic) Plugin metadata Reference Plugin Feed: 202404250246
Version 1.12 May 25, 2023, 12:55 AM Logic Changes (Added support for ppc64le architecture) Plugin Feed: 202305250055
Version 1.11 Jan 23, 2023, 7:12 PM Logic Changes (Added support for repository relative URLs) Plugin Feed: 202301231912
Version 1.10 Dec 6, 2022, 6:53 AM Reference Plugin Feed: 202212060653