SUSE-SU-2021:3196-1: important: Security update for the Linux Kernel (Live Patch 40 for SLE 12 SP3)

[sle-updates at lists.suse.com]

   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
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-2021-38198 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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:

   https://www.suse.com/security/cve/CVE-2021-3653.html
   https://www.suse.com/security/cve/CVE-2021-38198.html
   https://bugzilla.suse.com/1189278
   https://bugzilla.suse.com/1189420