SUSE Security Update: Security update for the Linux Kernel (Live Patch 39 for SLE 12 SP3)
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Announcement ID:    SUSE-SU-2022:0667-1
Rating:             important
References:         #1194463 
Cross-References:   CVE-2021-0920
CVSS scores:
                    CVE-2021-0920 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-0920 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise High Performance Computing 15
                    SUSE Linux Enterprise Live Patching 12-SP4
                    SUSE Linux Enterprise Module for Live Patching 15
                    SUSE Linux Enterprise Server 12-SP3-LTSS
                    SUSE Linux Enterprise Server 15
                    SUSE Linux Enterprise Server for SAP 12-SP3
                    SUSE Linux Enterprise Server for SAP Applications 15
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   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 4.4.180-94_144 fixes one issue.

   The following security issue was fixed:

   - CVE-2021-0920: Fixed a local privilege escalation due to an use after
     free bug in unix_gc (bsc#1194463).


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 Server for SAP 12-SP3:

      zypper in -t patch SUSE-SLE-SAP-12-SP3-2022-669=1 SUSE-SLE-SAP-12-SP3-2022-670=1 SUSE-SLE-SAP-12-SP3-2022-671=1 SUSE-SLE-SAP-12-SP3-2022-672=1

   - SUSE Linux Enterprise Server 12-SP3-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2022-669=1 SUSE-SLE-SERVER-12-SP3-2022-670=1 SUSE-SLE-SERVER-12-SP3-2022-671=1 SUSE-SLE-SERVER-12-SP3-2022-672=1

   - SUSE Linux Enterprise Module for Live Patching 15:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-663=1 SUSE-SLE-Module-Live-Patching-15-2022-664=1 SUSE-SLE-Module-Live-Patching-15-2022-665=1 SUSE-SLE-Module-Live-Patching-15-2022-666=1

   - SUSE Linux Enterprise Live Patching 12-SP4:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-667=1



Package List:

   - SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):

      kgraft-patch-4_4_180-94_141-default-15-2.2
      kgraft-patch-4_4_180-94_141-default-debuginfo-15-2.2
      kgraft-patch-4_4_180-94_144-default-12-2.1
      kgraft-patch-4_4_180-94_144-default-debuginfo-12-2.1
      kgraft-patch-4_4_180-94_147-default-9-2.1
      kgraft-patch-4_4_180-94_147-default-debuginfo-9-2.1
      kgraft-patch-4_4_180-94_150-default-5-2.1
      kgraft-patch-4_4_180-94_150-default-debuginfo-5-2.1

   - SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):

      kgraft-patch-4_4_180-94_141-default-15-2.2
      kgraft-patch-4_4_180-94_141-default-debuginfo-15-2.2
      kgraft-patch-4_4_180-94_144-default-12-2.1
      kgraft-patch-4_4_180-94_144-default-debuginfo-12-2.1
      kgraft-patch-4_4_180-94_147-default-9-2.1
      kgraft-patch-4_4_180-94_147-default-debuginfo-9-2.1
      kgraft-patch-4_4_180-94_150-default-5-2.1
      kgraft-patch-4_4_180-94_150-default-debuginfo-5-2.1

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

      kernel-livepatch-4_12_14-150_69-default-15-2.2
      kernel-livepatch-4_12_14-150_69-default-debuginfo-15-2.2
      kernel-livepatch-4_12_14-150_72-default-12-2.1
      kernel-livepatch-4_12_14-150_72-default-debuginfo-12-2.1
      kernel-livepatch-4_12_14-150_75-default-9-2.1
      kernel-livepatch-4_12_14-150_75-default-debuginfo-9-2.1
      kernel-livepatch-4_12_14-150_78-default-4-2.1
      kernel-livepatch-4_12_14-150_78-default-debuginfo-4-2.1

   - SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):

      kgraft-patch-4_12_14-95_77-default-11-2.1


References:

   https://www.suse.com/security/cve/CVE-2021-0920.html
   https://bugzilla.suse.com/1194463