Security update for the Linux Kernel (Live Patch 40 for SLE 12 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 40 for SLE 12 SP3)
Announcement ID: SUSE-SU-2021:3196-1
Rating: important
References: #1189278 #1189420
Cross-References:CVE-2021-3653 CVE-2021-38198
Affected Products:
  • SUSE Linux Enterprise Server for SAP 12-SP3
  • SUSE Linux Enterprise Server 12-SP3-LTSS

An update that fixes two vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.4.180-94_147 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 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-SP3-2021-3195=1 SUSE-SLE-SAP-12-SP3-2021-3196=1 SUSE-SLE-SAP-12-SP3-2021-3197=1 SUSE-SLE-SAP-12-SP3-2021-3198=1 SUSE-SLE-SAP-12-SP3-2021-3199=1 SUSE-SLE-SAP-12-SP3-2021-3200=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-3195=1 SUSE-SLE-SERVER-12-SP3-2021-3196=1 SUSE-SLE-SERVER-12-SP3-2021-3197=1 SUSE-SLE-SERVER-12-SP3-2021-3198=1 SUSE-SLE-SERVER-12-SP3-2021-3199=1 SUSE-SLE-SERVER-12-SP3-2021-3200=1

Package List:

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

References: