SUSE-SU-2018:3860-1: important: Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP3)

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP3)
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Announcement ID:    SUSE-SU-2018:3860-1
Rating:             important
References:         #1103098 
Cross-References:   CVE-2018-5391
Affected Products:
                    SUSE Linux Enterprise Live Patching 12-SP3
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   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 4.4.140-94_42 fixes one issue.

   The following security issue was fixed:

   - CVE-2018-5391: Fixed a possible denial of service attack with low rates
     of specially modified packets targeting IP fragment re-assembly. An
     attacker may cause 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 Live Patching 12-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2018-2750=1 SUSE-SLE-Live-Patching-12-SP3-2018-2751=1 SUSE-SLE-Live-Patching-12-SP3-2018-2752=1 SUSE-SLE-Live-Patching-12-SP3-2018-2753=1 SUSE-SLE-Live-Patching-12-SP3-2018-2754=1 SUSE-SLE-Live-Patching-12-SP3-2018-2755=1 SUSE-SLE-Live-Patching-12-SP3-2018-2756=1 SUSE-SLE-Live-Patching-12-SP3-2018-2757=1



Package List:

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

      kgraft-patch-4_4_114-94_11-default-9-2.1
      kgraft-patch-4_4_114-94_11-default-debuginfo-9-2.1
      kgraft-patch-4_4_114-94_14-default-9-2.1
      kgraft-patch-4_4_114-94_14-default-debuginfo-9-2.1
      kgraft-patch-4_4_120-94_17-default-8-2.1
      kgraft-patch-4_4_120-94_17-default-debuginfo-8-2.1
      kgraft-patch-4_4_126-94_22-default-8-2.1
      kgraft-patch-4_4_126-94_22-default-debuginfo-8-2.1
      kgraft-patch-4_4_131-94_29-default-6-2.1
      kgraft-patch-4_4_131-94_29-default-debuginfo-6-2.1
      kgraft-patch-4_4_132-94_33-default-6-2.1
      kgraft-patch-4_4_132-94_33-default-debuginfo-6-2.1
      kgraft-patch-4_4_138-94_39-default-5-2.1
      kgraft-patch-4_4_138-94_39-default-debuginfo-5-2.1
      kgraft-patch-4_4_140-94_42-default-5-2.1
      kgraft-patch-4_4_140-94_42-default-debuginfo-5-2.1


References:

   https://www.suse.com/security/cve/CVE-2018-5391.html
   https://bugzilla.suse.com/1103098