SUSE-SU-2022:0463-1: critical: Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP3)

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP3)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:0463-1
Rating:             critical
References:         #1194460 #1194533 #1195308 
Cross-References:   CVE-2021-4083 CVE-2021-4202 CVE-2022-0435
                   
CVSS scores:
                    CVE-2021-4083 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-4202 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-0435 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/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
______________________________________________________________________________

   An update that fixes three vulnerabilities is now available.

Description:

   This update for the Linux Kernel 5.3.18-59_24 fixes several issues.

   The following security issues were fixed:

   - CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag
     (bsc#1194533).
   - CVE-2022-0435: Fixed remote stack overflow in net/tipc module that
     validate domain record count on input (bsc#1195308).
   - CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage
     collection for Unix domain socket file handlers when users call close()
     and fget() simultaneouslyand can potentially trigger a race condition
     (bnc#1194460).


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-SP3-2022-461=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-462=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-463=1 SUSE-SLE-Module-Live-Patching-15-SP3-2022-464=1

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

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2022-460=1



Package List:

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

      kernel-livepatch-5_3_18-59_10-default-9-150300.2.2
      kernel-livepatch-5_3_18-59_10-default-debuginfo-9-150300.2.2
      kernel-livepatch-5_3_18-59_24-default-5-150300.2.2
      kernel-livepatch-5_3_18-59_24-default-debuginfo-5-150300.2.2
      kernel-livepatch-5_3_18-59_27-default-5-150300.2.2
      kernel-livepatch-5_3_18-59_27-default-debuginfo-5-150300.2.2
      kernel-livepatch-5_3_18-59_5-default-9-150300.2.2
      kernel-livepatch-5_3_18-59_5-default-debuginfo-9-150300.2.2
      kernel-livepatch-SLE15-SP3_Update_1-debugsource-9-150300.2.2
      kernel-livepatch-SLE15-SP3_Update_2-debugsource-9-150300.2.2
      kernel-livepatch-SLE15-SP3_Update_6-debugsource-5-150300.2.2
      kernel-livepatch-SLE15-SP3_Update_7-debugsource-5-150300.2.2

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

      kernel-livepatch-5_3_18-24_52-default-14-2.2
      kernel-livepatch-5_3_18-24_52-default-debuginfo-14-2.2
      kernel-livepatch-SLE15-SP2_Update_11-debugsource-14-2.2


References:

   https://www.suse.com/security/cve/CVE-2021-4083.html
   https://www.suse.com/security/cve/CVE-2021-4202.html
   https://www.suse.com/security/cve/CVE-2022-0435.html
   https://bugzilla.suse.com/1194460
   https://bugzilla.suse.com/1194533
   https://bugzilla.suse.com/1195308