SUSE-SU-2018:2426-1: important: Security update for kernel-livepatch-tools

sle-security-updates at sle-security-updates at
Fri Aug 17 16:11:56 MDT 2018

   SUSE Security Update: Security update for kernel-livepatch-tools

Announcement ID:    SUSE-SU-2018:2426-1
Rating:             important
References:         #1099306 
Cross-References:   CVE-2018-3646
Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15
                    SUSE Linux Enterprise Live Patching 12-SP3

   An update that fixes one vulnerability is now available.


   This update for kernel-livepatch-tools fixes the following issues:

   Add script for disabling SMT to help with the mitigation of the "L1
   Terminal Fault" issue (CVE-2018-3646 bsc#1099306)

   The script is called "klp-kvm-l1tf-ctrl-smt" and is used for enabling or
   disabling SMT to mitigate the issue when this administrative decision is

   Disabling SMT:

           klp-kvm-l1tf-ctrl-smt -d

   Enabling SMT:

           klp-kvm-l1tf-ctrl-smt -e

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-15-2018-1687=1

   - SUSE Linux Enterprise Live Patching 12-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2018-1682=1 SUSE-SLE-Live-Patching-12-SP3-2018-1683=1

Package List:

   - SUSE Linux Enterprise Module for Live Patching 15 (ppc64le s390x x86_64):


   - SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64):



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