SUSE-SU-2019:0298-1: important: Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP3)

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Fri Feb 8 10:21:05 MST 2019


   SUSE Security Update: Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP3)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:0298-1
Rating:             important
References:         #1119947 
Cross-References:   CVE-2018-16884
Affected Products:
                    SUSE Linux Enterprise Live Patching 12-SP4
                    SUSE Linux Enterprise Live Patching 12-SP3
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 4.4.120-94_17 fixes one issue.

   The following security issue was fixed:

   - CVE-2018-16884: A flaw was found in the Linux kernel's NFS41+ subsystem.
     NFS41+ shares mounted in different network namespaces at the same time
     could make bc_svc_process() use wrong back-channel IDs and cause a
     use-after-free vulnerability. Thus a malicious container user can cause
     a host kernel memory corruption and a system panic. Due to the nature of
     the flaw, privilege escalation cannot be fully ruled out (bsc#1119947).


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 Live Patching 12-SP4:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2019-293=1 SUSE-SLE-Live-Patching-12-SP4-2019-301=1

   - SUSE Linux Enterprise Live Patching 12-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2019-296=1 SUSE-SLE-Live-Patching-12-SP3-2019-297=1 SUSE-SLE-Live-Patching-12-SP3-2019-298=1 SUSE-SLE-Live-Patching-12-SP3-2019-300=1 SUSE-SLE-Live-Patching-12-SP3-2019-302=1



Package List:

   - SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le x86_64):

      kgraft-patch-4_12_14-94_41-default-3-2.7.2
      kgraft-patch-4_12_14-94_41-default-debuginfo-3-2.7.2
      kgraft-patch-4_12_14-95_3-default-2-2.1
      kgraft-patch-SLE12-SP4_Update_0-debugsource-3-2.7.2

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

      kgraft-patch-4_4_114-94_11-default-11-2.1
      kgraft-patch-4_4_114-94_11-default-debuginfo-11-2.1
      kgraft-patch-4_4_114-94_14-default-11-2.1
      kgraft-patch-4_4_114-94_14-default-debuginfo-11-2.1
      kgraft-patch-4_4_120-94_17-default-10-2.1
      kgraft-patch-4_4_120-94_17-default-debuginfo-10-2.1
      kgraft-patch-4_4_126-94_22-default-10-2.1
      kgraft-patch-4_4_126-94_22-default-debuginfo-10-2.1
      kgraft-patch-4_4_131-94_29-default-8-2.1
      kgraft-patch-4_4_131-94_29-default-debuginfo-8-2.1


References:

   https://www.suse.com/security/cve/CVE-2018-16884.html
   https://bugzilla.suse.com/1119947



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