SUSE Security Update: Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:0660-1
Rating:             important
References:         #1194463 #1195307 #1195947 
Cross-References:   CVE-2021-0920 CVE-2021-22600 CVE-2022-0516
                   
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
                    CVE-2021-22600 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-22600 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-0516 (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-SP3
                    SUSE Linux Enterprise Micro 5.1
                    SUSE Linux Enterprise Module for Live Patching 15-SP3
                    SUSE Linux Enterprise Server 15-SP3
                    SUSE Linux Enterprise Server for SAP Applications 15-SP3
______________________________________________________________________________

   An update that fixes three vulnerabilities is now available.

Description:

   This update for the Linux Kernel 5.3.18-59_27 fixes several issues.

   The following security issues were fixed:

   - CVE-2022-0516: Fixed KVM s390 return error on SIDA memop on normal guest
     (bsc#1195947).
   - CVE-2021-0920: Fixed a local privilege escalation due to an use after
     free bug in unix_gc (bsc#1194463).
   - CVE-2021-22600: Fixed double free bug in packet_set_ring() in
     net/packet/af_packet.c that could have been exploited by a local user
     through crafted syscalls to escalate privileges or deny service
     (bsc#1195307).


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-SP3-2022-659=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-660=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-661=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-662=1



Package List:

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

      kernel-livepatch-5_3_18-59_10-default-10-150300.2.1
      kernel-livepatch-5_3_18-59_10-default-debuginfo-10-150300.2.1
      kernel-livepatch-5_3_18-59_16-default-9-150300.2.1
      kernel-livepatch-5_3_18-59_16-default-debuginfo-9-150300.2.1
      kernel-livepatch-5_3_18-59_27-default-6-150300.2.1
      kernel-livepatch-5_3_18-59_27-default-debuginfo-6-150300.2.1
      kernel-livepatch-5_3_18-59_37-default-4-150300.2.1
      kernel-livepatch-5_3_18-59_37-default-debuginfo-4-150300.2.1
      kernel-livepatch-SLE15-SP3_Update_10-debugsource-4-150300.2.1
      kernel-livepatch-SLE15-SP3_Update_2-debugsource-10-150300.2.1
      kernel-livepatch-SLE15-SP3_Update_4-debugsource-9-150300.2.1
      kernel-livepatch-SLE15-SP3_Update_7-debugsource-6-150300.2.1


References:

   https://www.suse.com/security/cve/CVE-2021-0920.html
   https://www.suse.com/security/cve/CVE-2021-22600.html
   https://www.suse.com/security/cve/CVE-2022-0516.html
   https://bugzilla.suse.com/1194463
   https://bugzilla.suse.com/1195307
   https://bugzilla.suse.com/1195947