Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1)

Announcement ID: SUSE-SU-2019:1765-1
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
  • CVE-2019-3846 ( SUSE ): 7.5 CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-3846 ( NVD ): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-3846 ( NVD ): 8.0 CVSS:3.0/AV:A/AC:L/PR:N/UI:R/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 two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.12.14-195 fixes several issues.

The following security issues were 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).
  • CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network (bsc#1136446).

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-SP1-2019-1765=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
    • kernel-livepatch-4_12_14-195-default-3-7.2

References: