Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP3)

Announcement ID:	SUSE-SU-2021:3196-1
Rating:	important
References:	bsc#1189278 bsc#1189420
Cross-References:	CVE-2021-3653 CVE-2021-38198
CVSS scores:	CVE-2021-3653 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-3653 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-38198 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-38198 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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 two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.4.180-94_130 fixes several issues.

The following security issues were fixed:

• CVE-2021-3653: Fixed missing validation of the KVM int_ctl VMCB field that would have allowed a malicious L1 guest to enable AVIC support for the L2 guest (bsc#1189420).
• CVE-2021-38198: Fixed KVM MMU to use the correct inherited permissions to get shadow page (bsc#1189278).

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-SP3-2021-3200=1 SUSE-SLE-SAP-12-SP3-2021-3199=1 SUSE-SLE-SAP-12-SP3-2021-3198=1 SUSE-SLE-SAP-12-SP3-2021-3197=1 SUSE-SLE-SAP-12-SP3-2021-3196=1 SUSE-SLE-SAP-12-SP3-2021-3195=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3200=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3199=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3198=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3197=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3196=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2021-3195=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-3200=1 SUSE-SLE-SERVER-12-SP3-2021-3199=1 SUSE-SLE-SERVER-12-SP3-2021-3198=1 SUSE-SLE-SERVER-12-SP3-2021-3197=1 SUSE-SLE-SERVER-12-SP3-2021-3196=1 SUSE-SLE-SERVER-12-SP3-2021-3195=1

Package List:

• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • kgraft-patch-4_4_180-94_147-default-3-2.2
  • kgraft-patch-4_4_180-94_144-default-debuginfo-6-2.2
  • kgraft-patch-4_4_180-94_135-default-debuginfo-12-2.3
  • kgraft-patch-4_4_180-94_130-default-14-2.3
  • kgraft-patch-4_4_180-94_141-default-debuginfo-9-2.2
  • kgraft-patch-4_4_180-94_147-default-debuginfo-3-2.2
  • kgraft-patch-4_4_180-94_141-default-9-2.2
  • kgraft-patch-4_4_180-94_138-default-10-2.2
  • kgraft-patch-4_4_180-94_135-default-12-2.3
  • kgraft-patch-4_4_180-94_138-default-debuginfo-10-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-14-2.3
  • kgraft-patch-4_4_180-94_144-default-6-2.2
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (x86_64)
  • kgraft-patch-4_4_180-94_147-default-3-2.2
  • kgraft-patch-4_4_180-94_144-default-debuginfo-6-2.2
  • kgraft-patch-4_4_180-94_135-default-debuginfo-12-2.3
  • kgraft-patch-4_4_180-94_130-default-14-2.3
  • kgraft-patch-4_4_180-94_141-default-debuginfo-9-2.2
  • kgraft-patch-4_4_180-94_147-default-debuginfo-3-2.2
  • kgraft-patch-4_4_180-94_141-default-9-2.2
  • kgraft-patch-4_4_180-94_138-default-10-2.2
  • kgraft-patch-4_4_180-94_135-default-12-2.3
  • kgraft-patch-4_4_180-94_138-default-debuginfo-10-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-14-2.3
  • kgraft-patch-4_4_180-94_144-default-6-2.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (ppc64le x86_64)
  • kgraft-patch-4_4_180-94_147-default-3-2.2
  • kgraft-patch-4_4_180-94_144-default-debuginfo-6-2.2
  • kgraft-patch-4_4_180-94_135-default-debuginfo-12-2.3
  • kgraft-patch-4_4_180-94_130-default-14-2.3
  • kgraft-patch-4_4_180-94_141-default-debuginfo-9-2.2
  • kgraft-patch-4_4_180-94_147-default-debuginfo-3-2.2
  • kgraft-patch-4_4_180-94_141-default-9-2.2
  • kgraft-patch-4_4_180-94_138-default-10-2.2
  • kgraft-patch-4_4_180-94_135-default-12-2.3
  • kgraft-patch-4_4_180-94_138-default-debuginfo-10-2.2
  • kgraft-patch-4_4_180-94_130-default-debuginfo-14-2.3
  • kgraft-patch-4_4_180-94_144-default-6-2.2

References:

• https://www.suse.com/security/cve/CVE-2021-3653.html
• https://www.suse.com/security/cve/CVE-2021-38198.html
• https://bugzilla.suse.com/show_bug.cgi?id=1189278
• https://bugzilla.suse.com/show_bug.cgi?id=1189420