Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP1)

Announcement ID: SUSE-SU-2019:1769-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2019-12817 ( SUSE ): 8.1 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
  • CVE-2019-12817 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-12817 ( NVD ): 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP1
  • SUSE Linux Enterprise Live Patching 15-SP1
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1

An update that solves one vulnerability can now be installed.

Description:

This update for the Linux Kernel 4.12.14-197_4 fixes one issue.

The following security issue was fixed:

  • CVE-2019-12817: arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel for powerpc had a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected (bsc#1138264).

Patch Instructions:

To install this SUSE 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 Live Patching 15-SP1
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2019-1769=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
    • kernel-livepatch-4_12_14-197_4-default-2-2.1

References: