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

SUSE Security Update: Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP1)
Announcement ID: SUSE-SU-2019:1765-1
Rating: important
References: #1136446 #1138264
Cross-References: CVE-2019-12817 CVE-2019-3846
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP1

An update that fixes two vulnerabilities is now available.

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 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 Module for Live Patching 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2019-1765=1

Package List:

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

References: