Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP2)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP2)
Announcement ID: SUSE-SU-2020:1767-1
Rating: important
References: #1172140 #1172437
Cross-References:CVE-2019-15666 CVE-2020-10757
Affected Products:
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP2-LTSS

An update that fixes two vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.4.121-92_117 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-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-1766=1 SUSE-SLE-SAP-12-SP2-2020-1767=1 SUSE-SLE-SAP-12-SP2-2020-1768=1
  • SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-1766=1 SUSE-SLE-SERVER-12-SP2-2020-1767=1 SUSE-SLE-SERVER-12-SP2-2020-1768=1

Package List:

  • SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
    • kgraft-patch-4_4_121-92_114-default-10-2.1
    • kgraft-patch-4_4_121-92_117-default-9-2.1
    • kgraft-patch-4_4_121-92_120-default-8-2.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):
    • kgraft-patch-4_4_121-92_114-default-10-2.1
    • kgraft-patch-4_4_121-92_117-default-9-2.1
    • kgraft-patch-4_4_121-92_120-default-8-2.1

References: