Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP2)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 28 for SLE 12 SP2)
Announcement ID: SUSE-SU-2019:0955-1
Rating: important
References: #1102682
Cross-References: CVE-2018-5390
Affected Products:
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP2-LTSS

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 4.4.121-92_104 fixes one issue.
The following security issue was fixed:

  • CVE-2018-5390: The Linux kernel could be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service (bsc#1102682).

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 Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-955=1
  • SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-955=1

Package List:

  • SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
    • kgraft-patch-4_4_121-92_104-default-2-2.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):
    • kgraft-patch-4_4_121-92_104-default-2-2.1

References: