SUSE Security Update: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP1)
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Announcement ID:    SUSE-SU-2019:1769-1
Rating:             important
References:         #1138264 
Cross-References:   CVE-2019-12817
Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15-SP1
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   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 4.12.14-197_4 fixes one issue.

   The following security issue was fixed:

   - CVE-2019-12817: arch/powerpc/mm/mmu_context_book3s64.c in the Linux
     kernel for powerpc had a bug where unrelated processes may be able to
     read/write to one another's virtual memory under certain conditions via
     an mmap above 512 TB. Only a subset of powerpc systems are affected
     (bsc#1138264).


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-SP1:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2019-1769=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):

      kernel-livepatch-4_12_14-197_4-default-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2019-12817.html
   https://bugzilla.suse.com/1138264

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