SUSE Security Update: Security update for the Linux Kernel (Live Patch 25 for SLE 15)
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Announcement ID:    SUSE-SU-2022:1248-1
Rating:             important
References:         #1197133 
Cross-References:   CVE-2022-27666
CVSS scores:
                    CVE-2022-27666 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-27666 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/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 15
                    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 4.12.14-150_75 fixes one issue.

   The following security issue was fixed:

   - CVE-2022-27666: Fixed a buffer overflow vulnerability in IPsec ESP
     transformation code. This flaw allowed a local attacker with a normal
     user privilege to overwrite kernel heap objects and may cause a local
     privilege escalation. (bnc#1197462)


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:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-1248=1

   - SUSE Linux Enterprise Live Patching 12-SP4:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-1249=1



Package List:

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

      kernel-livepatch-4_12_14-150_75-default-11-150000.2.1
      kernel-livepatch-4_12_14-150_75-default-debuginfo-11-150000.2.1

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

      kgraft-patch-4_12_14-95_88-default-3-2.1


References:

   https://www.suse.com/security/cve/CVE-2022-27666.html
   https://bugzilla.suse.com/1197133