Security update for the Linux Kernel (Live Patch 5 for SLE 12 SP4)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 5 for SLE 12 SP4)
Announcement ID: SUSE-SU-2020:1758-1
Rating: important
References: #1171746 #1172140 #1172437
Cross-References:CVE-2018-1000199 CVE-2019-15666 CVE-2020-10757
Affected Products:
  • SUSE Linux Enterprise Live Patching 12-SP4

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-95_19 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).
  • CVE-2018-1000199: Fixed a potential local code execution via ptrace (bsc#1171746).

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 Live Patching 12-SP4:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2020-1756=1 SUSE-SLE-Live-Patching-12-SP4-2020-1757=1 SUSE-SLE-Live-Patching-12-SP4-2020-1758=1

Package List:

  • SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64):
    • kgraft-patch-4_12_14-95_19-default-9-2.1
    • kgraft-patch-4_12_14-95_24-default-8-2.1
    • kgraft-patch-4_12_14-95_29-default-8-2.1

References: