SUSE-SU-2020:1767-1: important: Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP2)

[sle-security-updates at lists.suse.com]

   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:

   https://www.suse.com/security/cve/CVE-2019-15666.html
   https://www.suse.com/security/cve/CVE-2020-10757.html
   https://bugzilla.suse.com/1172140
   https://bugzilla.suse.com/1172437