Security update for the Linux Kernel (Live Patch 33 for SLE 12 SP3)

Announcement ID:	SUSE-SU-2021:1337-1
Rating:	important
References:	bsc#1182294
Cross-References:	CVE-2021-26930 CVE-2021-26931 CVE-2021-28688
CVSS scores:	CVE-2021-26930 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-26930 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-26931 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2021-26931 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28688 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2021-28688 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP3

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.4.180-94_124 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 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 Applications 12 SP3
  zypper in -t patch 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-SLE-SAP-12-SP3-2021-1337=1 SUSE-SLE-SAP-12-SP3-2021-1338=1 SUSE-SLE-SAP-12-SP3-2021-1339=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1340=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1371=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1372=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1373=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1337=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1338=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1339=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch 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 SUSE-SLE-SERVER-12-SP3-2021-1337=1 SUSE-SLE-SERVER-12-SP3-2021-1338=1

Package List:

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

References:

• https://www.suse.com/security/cve/CVE-2021-26930.html
• https://www.suse.com/security/cve/CVE-2021-26931.html
• https://www.suse.com/security/cve/CVE-2021-28688.html
• https://bugzilla.suse.com/show_bug.cgi?id=1182294