The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1093 advisory.

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

    Security Fix(es):

    * kernel: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466)

    * kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)

    * kernel: Use after free via PI futex state (CVE-2021-3347)

    * kernel: race conditions caused by wrong locking in net/vmw_vsock/af_vsock.c (CVE-2021-26708)

    * kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)

    * kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)

    * Kernel: KVM: host stack overflow due to lazy update IOAPIC (CVE-2020-27152)

    * kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)

    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):

    * race condition when creating child sockets from syncookies (BZ#1915529)

    * On System Z, a hash needs state randomized for entropy extraction (BZ#1915816)

    * scsi: target: core_tmr_abort_task() reporting multiple aborts for the same se_cmd->tag (BZ#1918354)

    * [mlx5] VF interface stats are not reflected in ip -s link show / ifconfig <vf> commands (BZ#1921060)

    * Win10 guest automatic reboot after migration in Win10 and WSL2 on Intel hosts (BZ#1923281)

    * [RHEL 8.3] Repeated messages - Unable to burst-read optrom segment (BZ#1924222)

    * Backport bug fix RDMA/umem: Prevent small pages from being returned by ib_umem_find_best_pgsz     (BZ#1924691)

    * [Cisco 8.3] RHEL/Cent 8.2 fNIC driver needs a patch fix that addresses crash (BZ#1925186)

    * RHEL8.3 - The kernel misdetects zCX with z/VM (BZ#1925508)

    * Backport 22e4663e91 (mm/slub: fix panic in slab_alloc_node()) (BZ#1925511)

    * SCTP Address already in use when no active endpoints from RHEL 8.2 onwards (BZ#1927521)

    * lpfc: Fix initial FLOGI failure due to BBSCN not supported  (BZ#1927921)

    * [mm] mm, oom: remove oom_lock from oom_reaper (BZ#1929738)

    * Unexpected thread movement with AMD Milan compared to Rome (BZ#1929740)

    * rpmbuild cannot build the userspace RPMs in the kernel package when the kernel itself is not built     (BZ#1929910)

    * [Regression] RHEL8.2 - ISST-LTE:pVM:diapvmlp83:sum:memory DLPAR fails to add memory on multiple     trials[mm/memory_hotplug.c:1163] (mm-) (BZ#1930168)

    * Configuring the system with non-RT kernel will hang the system (BZ#1930735)

    * Upstream Patch for Gracefully handle DMAR units with no supported address widthsx86/vt-d (BZ#1932199)

    * gfs2: Deadlock between gfs2_{create_inode,inode_lookup} and delete_work_func (BZ#1937109)

    * Failing on tsx-ctrl when the flag doesn't change anything (BZ#1939013)

    Enhancement(s):

    * RFE: Backport all Audit enhancements and fixes up to version 5.10-rc1 (BZ#1907520)

    * RHEL8.4: Update the target driver (BZ#1918363)

    * [Mellanox 8.4 FEAT] mlx5: Hairpin Support in Switch Mode (BZ#1924689)

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-2021:1093)

high Nessus Plugin ID 148370

Version 1.13

Version 1.12

Version 1.10

Version 1.9

Version 1.8

Version 1.13 Nov 7, 2024, 8:52 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411070852
Version 1.12 Nov 5, 2024, 12:50 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411051250
Version 1.10 Jan 5, 2024, 3:16 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True". "Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202401051516
Version 1.9 May 25, 2023, 12:55 AM Logic Changes (Added support for ppc64le architecture) Plugin Feed: 202305250055
Version 1.8 Jan 23, 2023, 7:12 PM Logic Changes (Added support for repository relative URLs) Plugin Feed: 202301231912