Security update for the Linux Kernel (Live Patch 1 for SLE 15)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 1 for SLE 15)
Announcement ID: SUSE-SU-2018:3881-1
Rating: important
References: #1103098
Cross-References: CVE-2018-5391
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_3 fixes one issue.
The following security issue was fixed:

  • CVE-2018-5391: Fixed a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may have caused a denial of service condition by sending specially crafted IP fragments. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size (bsc#1103098).

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-15-2018-2767=1 SUSE-SLE-Module-Live-Patching-15-2018-2770=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
    • kernel-livepatch-4_12_14-25_3-default-6-2.1
    • kernel-livepatch-4_12_14-25_3-default-debuginfo-6-2.1
    • kernel-livepatch-4_12_14-25_6-default-6-2.1
    • kernel-livepatch-4_12_14-25_6-default-debuginfo-6-2.1

References: