Security update for the Linux Kernel (Live Patch 11 for SLE 15)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 11 for SLE 15)
Announcement ID: SUSE-SU-2019:3249-1
Rating: important
References: #1153108 #1156317 #1156321 #1157770
Cross-References:CVE-2019-10220 CVE-2019-13272 CVE-2019-15239
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP1
  • SUSE Linux Enterprise Module for Live Patching 15
  • SUSE Linux Enterprise Live Patching 12-SP4

An update that solves three vulnerabilities and has one errata is now available.

Description:

This update for the Linux Kernel 4.12.14-150_22 fixes several issues.
The following security issues were fixed:

  • CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321).
  • CVE-2019-15239: Fixed a vulnerability where a local attacker could have triggered multiple use-after-free conditions resulted in privilege escalation (bsc#1156317).
  • CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).

The following bugs were fixed:
  • Fixed boot up hang revealed by int3 self test (bsc#1157770).

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-SP1-2019-3251=1
  • SUSE Linux Enterprise Module for Live Patching 15:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2019-3249=1
  • SUSE Linux Enterprise Live Patching 12-SP4:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2019-3254=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-197_4-default-7-2.1
  • SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-150_22-default-5-2.1
    • kernel-livepatch-4_12_14-150_22-default-debuginfo-5-2.1
  • SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64):
    • kgraft-patch-4_12_14-95_24-default-4-2.1

References: