SUSE-SU-2023:0273-1: important: Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP4)

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP4)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2023:0273-1
Rating:             important
References:         #1206373 
Cross-References:   CVE-2022-4379
CVSS scores:
                    CVE-2022-4379 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2022-4379 (SUSE): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Products:
                    SUSE Linux Enterprise High Performance Computing 15-SP4
                    SUSE Linux Enterprise Module for Live Patching 15-SP4
                    SUSE Linux Enterprise Server 15-SP4
                    SUSE Linux Enterprise Server for SAP Applications 15-SP4
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   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 5.14.21-150400_24_38 fixes one issue.

   The following security issue was fixed:

   - CVE-2022-4379: A use-after-free vulnerability was found in
     __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw
     allowed an attacker to conduct a remote denial of service attack
     (bsc#1206373).


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Module for Live Patching 15-SP4:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-273=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP4 (ppc64le s390x x86_64):

      kernel-livepatch-5_14_21-150400_24_38-default-2-150400.2.1
      kernel-livepatch-5_14_21-150400_24_38-default-debuginfo-2-150400.2.1
      kernel-livepatch-SLE15-SP4_Update_6-debugsource-2-150400.2.1


References:

   https://www.suse.com/security/cve/CVE-2022-4379.html
   https://bugzilla.suse.com/1206373