Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP3)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP3)
Announcement ID: SUSE-SU-2020:1784-1
Rating: important
References: #1172140 #1172437
Cross-References:CVE-2019-15666 CVE-2020-10757
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_100 fixes several issues.
The following security issues were fixed:

  • CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172437).
  • CVE-2019-15666: Fixed an out of bounds read __xfrm_policy_unlink, which could have led to denial of service (bsc#1172140).

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-SP3-2020-1782=1 SUSE-SLE-SAP-12-SP3-2020-1783=1 SUSE-SLE-SAP-12-SP3-2020-1784=1
  • SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-1782=1 SUSE-SLE-SERVER-12-SP3-2020-1783=1 SUSE-SLE-SERVER-12-SP3-2020-1784=1

Package List:

  • SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
    • kgraft-patch-4_4_180-94_100-default-8-2.1
    • kgraft-patch-4_4_180-94_100-default-debuginfo-8-2.1
    • kgraft-patch-4_4_180-94_103-default-8-2.1
    • kgraft-patch-4_4_180-94_103-default-debuginfo-8-2.1
    • kgraft-patch-4_4_180-94_97-default-10-2.1
    • kgraft-patch-4_4_180-94_97-default-debuginfo-10-2.1
  • SUSE Linux Enterprise Server 12-SP3-LTSS (ppc64le x86_64):
    • kgraft-patch-4_4_180-94_100-default-8-2.1
    • kgraft-patch-4_4_180-94_100-default-debuginfo-8-2.1
    • kgraft-patch-4_4_180-94_103-default-8-2.1
    • kgraft-patch-4_4_180-94_103-default-debuginfo-8-2.1
    • kgraft-patch-4_4_180-94_97-default-10-2.1
    • kgraft-patch-4_4_180-94_97-default-debuginfo-10-2.1

References: