SUSE-SU-2018:0593-1: important: Security update for the Linux Kernel (Live Patch 7 for SLE 12 SP3)

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Fri Mar 2 16:10:16 MST 2018


   SUSE Security Update: Security update for the Linux Kernel (Live Patch 7 for SLE 12 SP3)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:0593-1
Rating:             important
References:         #1077404 
Cross-References:   CVE-2017-18075
Affected Products:
                    SUSE Linux Enterprise Live Patching 12-SP3
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 4.4.103-6_38 fixes one issue.

   The following security issue was fixed:

   - CVE-2017-18075: crypto/pcrypt.c in the Linux kernel mishandled freeing
     instances, allowing a local user able to access the AF_ALG-based AEAD
     interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt
     (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an
     incorrect pointer) or possibly have unspecified other impact by
     executing a crafted sequence of system calls (bsc#1077404).


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-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2018-401=1

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


Package List:

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

      kgraft-patch-4_4_103-6_38-default-3-2.1
      kgraft-patch-4_4_103-6_38-default-debuginfo-3-2.1


References:

   https://www.suse.com/security/cve/CVE-2017-18075.html
   https://bugzilla.suse.com/1077404



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