Security update for the Linux Kernel (Live Patch 36 for SLE 12 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 36 for SLE 12 SP3)
Announcement ID: SUSE-SU-2021:1373-1
Rating: important
References: #1182294
Cross-References:CVE-2021-26930 CVE-2021-26931 CVE-2021-28688
Affected Products:
  • SUSE Linux Enterprise Server for SAP 12-SP3
  • SUSE Linux Enterprise Server 12-SP3-LTSS

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.4.180-94_135 fixes one issue.
The following security issues were fixed:

  • CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646).
  • CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294).
  • CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).

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-SP3-2021-1337=1 SUSE-SLE-SAP-12-SP3-2021-1338=1 SUSE-SLE-SAP-12-SP3-2021-1339=1 SUSE-SLE-SAP-12-SP3-2021-1340=1 SUSE-SLE-SAP-12-SP3-2021-1371=1 SUSE-SLE-SAP-12-SP3-2021-1372=1 SUSE-SLE-SAP-12-SP3-2021-1373=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1337=1 SUSE-SLE-SERVER-12-SP3-2021-1338=1 SUSE-SLE-SERVER-12-SP3-2021-1339=1 SUSE-SLE-SERVER-12-SP3-2021-1340=1 SUSE-SLE-SERVER-12-SP3-2021-1371=1 SUSE-SLE-SERVER-12-SP3-2021-1372=1 SUSE-SLE-SERVER-12-SP3-2021-1373=1

Package List:

  • SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
    • kgraft-patch-4_4_180-94_116-default-10-2.2
    • kgraft-patch-4_4_180-94_116-default-debuginfo-10-2.2
    • kgraft-patch-4_4_180-94_121-default-9-2.2
    • kgraft-patch-4_4_180-94_121-default-debuginfo-9-2.2
    • kgraft-patch-4_4_180-94_124-default-9-2.2
    • kgraft-patch-4_4_180-94_124-default-debuginfo-9-2.2
    • kgraft-patch-4_4_180-94_127-default-9-2.2
    • kgraft-patch-4_4_180-94_127-default-debuginfo-9-2.2
    • kgraft-patch-4_4_180-94_130-default-8-2.2
    • kgraft-patch-4_4_180-94_130-default-debuginfo-8-2.2
    • kgraft-patch-4_4_180-94_135-default-6-2.2
    • kgraft-patch-4_4_180-94_135-default-debuginfo-6-2.2
    • kgraft-patch-4_4_180-94_138-default-4-2.2
    • kgraft-patch-4_4_180-94_138-default-debuginfo-4-2.2
  • SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
    • kgraft-patch-4_4_180-94_116-default-10-2.2
    • kgraft-patch-4_4_180-94_116-default-debuginfo-10-2.2
    • kgraft-patch-4_4_180-94_121-default-9-2.2
    • kgraft-patch-4_4_180-94_121-default-debuginfo-9-2.2
    • kgraft-patch-4_4_180-94_124-default-9-2.2
    • kgraft-patch-4_4_180-94_124-default-debuginfo-9-2.2
    • kgraft-patch-4_4_180-94_127-default-9-2.2
    • kgraft-patch-4_4_180-94_127-default-debuginfo-9-2.2
    • kgraft-patch-4_4_180-94_130-default-8-2.2
    • kgraft-patch-4_4_180-94_130-default-debuginfo-8-2.2
    • kgraft-patch-4_4_180-94_135-default-6-2.2
    • kgraft-patch-4_4_180-94_135-default-debuginfo-6-2.2
    • kgraft-patch-4_4_180-94_138-default-4-2.2
    • kgraft-patch-4_4_180-94_138-default-debuginfo-4-2.2

References: