Security update for the Linux Kernel (Live Patch 4 for SLE 15)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 4 for SLE 15)
Announcement ID: SUSE-SU-2018:2964-1
Rating: important
References: #1106191
Cross-References: CVE-2018-10938
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 4.12.14-25_16 fixes one issue.
The following security issue was fixed:

  • CVE-2018-10938: It was found that a crafted network packet sent remotely by an attacker may force the kernel to enter an infinite loop in the cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c leading to a denial-of-service. A certain non-default configuration of LSM (Linux Security Module) and NetLabel should be set up on a system an attacker could leverage this flaw (bsc#1106191).

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:
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2018-2096=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-25_16-default-2-2.1
    • kernel-livepatch-4_12_14-25_16-default-debuginfo-2-2.1

References: