SUSE Security Update: Security update for Linux Kernel Live Patch 3 for SLE
 12 SP2
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Announcement ID:    SUSE-SU-2017:1914-1
Rating:             important
References:         #1019079 #1025013 #1025254 #1030575 #1031481 
                    #1031660 #1039496 
Cross-References:   CVE-2017-1000364
Affected Products:
                    SUSE Linux Enterprise Live Patching 12
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   An update that solves one vulnerability and has 6 fixes is
   now available.

Description:

   This update for the Linux Kernel 4.4.21-90 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 Live Patching 12:

      zypper in -t patch SUSE-SLE-Live-Patching-12-2017-1185=1

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


Package List:

   - SUSE Linux Enterprise Live Patching 12 (x86_64):

      kgraft-patch-4_4_21-90-default-6-3.1


References:

   https://www.suse.com/security/cve/CVE-2017-1000364.html
   https://bugzilla.suse.com/1019079
   https://bugzilla.suse.com/1025013
   https://bugzilla.suse.com/1025254
   https://bugzilla.suse.com/1030575
   https://bugzilla.suse.com/1031481
   https://bugzilla.suse.com/1031660
   https://bugzilla.suse.com/1039496

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