SUSE Security Update: Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP2)
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Announcement ID:    SUSE-SU-2022:1849-1
Rating:             important
References:         #1198590 #1199834 
Cross-References:   CVE-2022-1280
CVSS scores:
                    CVE-2022-1280 (NVD) : 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
                    CVE-2022-1280 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise High Performance Computing 15-SP2
                    SUSE Linux Enterprise High Performance Computing 15-SP3
                    SUSE Linux Enterprise Micro 5.1
                    SUSE Linux Enterprise Module for Live Patching 15-SP2
                    SUSE Linux Enterprise Module for Live Patching 15-SP3
                    SUSE Linux Enterprise Server 15-SP2
                    SUSE Linux Enterprise Server 15-SP3
                    SUSE Linux Enterprise Server for SAP Applications 15-SP2
                    SUSE Linux Enterprise Server for SAP Applications 15-SP3
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   An update that solves one vulnerability and has one errata
   is now available.

Description:

   This update for the Linux Kernel 5.3.18-24_102 fixes several issues.

   The following security issue was fixed:

   - CVE-2022-1280: Fixed a use-after-free vulnerability in drm_lease_held in
     drivers/gpu/drm/drm_lease.c. This flaw allowed a local user privilege
     attacker to cause a denial of service (DoS) or a kernel information leak
     (bsc#1198590).
   - Add missing module_mutex lock to module notifier for previous live
     patches (bsc#1199834).


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-SP3:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-1849=1

   - SUSE Linux Enterprise Module for Live Patching 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-1848=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):

      kernel-livepatch-5_3_18-59_10-default-15-150300.2.1
      kernel-livepatch-5_3_18-59_10-default-debuginfo-15-150300.2.1
      kernel-livepatch-SLE15-SP3_Update_2-debugsource-15-150300.2.1

   - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):

      kernel-livepatch-5_3_18-24_102-default-7-150200.2.1
      kernel-livepatch-5_3_18-24_102-default-debuginfo-7-150200.2.1
      kernel-livepatch-SLE15-SP2_Update_24-debugsource-7-150200.2.1


References:

   https://www.suse.com/security/cve/CVE-2022-1280.html
   https://bugzilla.suse.com/1198590
   https://bugzilla.suse.com/1199834