Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP4)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP4)
Announcement ID: SUSE-SU-2020:2508-1
Rating: important
References: #1172437 #1173659 #1174186 #1174247
Cross-References:CVE-2019-16746 CVE-2020-10757 CVE-2020-14331 CVE-2020-15780
Affected Products:
  • SUSE Linux Enterprise Live Patching 12-SP4

An update that fixes four vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-95_51 fixes several issues.
The following security issues were fixed:

  • CVE-2020-10757: Fixed a privilege escalation in the mremap handling of DAX Huge Pages (bsc#1172437).
  • CVE-2020-14331: Fixed a buffer over-write in vgacon_scroll (bsc#1174247).
  • CVE-2020-15780: Fixed a lockdown bypass via injection of malicious ACPI tables via configfs (bsc#1174186).
  • CVE-2019-16746: Fixed a buffer overflow in net/wireless/nl80211.c (bsc#1173659).

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-SP4-2020-2508=1

Package List:

  • SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
    • kgraft-patch-4_12_14-95_51-default-4-2.2

References: