SUSE-SU-2017:0759-1: important: Security update for Linux Kernel Live Patch 13 for SLE 12

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

   SUSE Security Update: Security update for Linux Kernel Live Patch 13 for SLE 12
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Announcement ID:    SUSE-SU-2017:0759-1
Rating:             important
References:         #1025013 
Cross-References:   CVE-2017-5970
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12
                    SUSE Linux Enterprise Server 12-LTSS
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   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 3.12.55-52_45 fixes one issue.

   The following security bug was fixed:

   - CVE-2017-5970: The ipv4_pktinfo_prepare function in
     net/ipv4/ip_sockglue.c in the Linux kernel allowed attackers to cause a
     denial of service (system crash) via (1) an application that made
     crafted system calls or possibly (2) IPv4 traffic with invalid IP
     options (bsc#1025013).


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-12-2017-419=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2017-419=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_55-52_45-default-7-2.1
      kgraft-patch-3_12_55-52_45-xen-7-2.1

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

      kgraft-patch-3_12_55-52_45-default-7-2.1
      kgraft-patch-3_12_55-52_45-xen-7-2.1


References:

   https://www.suse.com/security/cve/CVE-2017-5970.html
   https://bugzilla.suse.com/1025013