Security update for the Linux Kernel (Live Patch 2 for SLE 15)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 2 for SLE 15)
Announcement ID: SUSE-SU-2018:2473-1
Rating: important
References: #1099306
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_6 fixes one issue.

    The following security issue was fixed:

    - CVE-2018-3646: Local attackers in virtualized guest systems could use
    speculative code patterns on hyperthreaded processors to read data
    present in the L1 Datacache used by other hyperthreads on the same CPU
    core, potentially leaking sensitive data, even from other virtual
    machines or the host system (bsc#1099306).

    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-15-2018-1738=1

    Package List:

    • SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):
      • kernel-livepatch-4_12_14-25_6-default-2-2.1
      • kernel-livepatch-4_12_14-25_6-default-debuginfo-2-2.1

    References: