SUSE Security Update: Security update for Linux Kernel Live Patch 20 for SLE 12
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Announcement ID:    SUSE-SU-2017:1945-1
Rating:             important
References:         #1025013 #1031660 #1039496 
Cross-References:   CVE-2017-1000364
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12
                    SUSE Linux Enterprise Server 12-LTSS
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   An update that solves one vulnerability and has two fixes
   is now available.

Description:

   This update for the Linux Kernel 3.12.61-52_69 fixes several issues.

   The following security bugs were fixed:

   - CVE-2017-1000364: An issue was discovered in the size of the stack guard
     page on Linux, specifically a 4k stack guard page is not sufficiently
     large and can be "jumped" over (the stack guard page is bypassed)
     (bsc#1039496).


Patch Instructions:

   To install this SUSE Security Update use YaST online_update.
   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server for SAP 12:

      zypper in -t patch SUSE-SLE-SAP-12-2017-1205=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2017-1205=1

   To bring your system up-to-date, use "zypper patch".


Package List:

   - SUSE Linux Enterprise Server for SAP 12 (x86_64):

      kgraft-patch-3_12_61-52_69-default-3-3.1
      kgraft-patch-3_12_61-52_69-xen-3-3.1

   - SUSE Linux Enterprise Server 12-LTSS (x86_64):

      kgraft-patch-3_12_61-52_69-default-3-3.1
      kgraft-patch-3_12_61-52_69-xen-3-3.1


References:

   https://www.suse.com/security/cve/CVE-2017-1000364.html
   https://bugzilla.suse.com/1025013
   https://bugzilla.suse.com/1031660
   https://bugzilla.suse.com/1039496