SUSE Security Update: Security update for Linux Kernel Live Patch 20 for SLE
 12
______________________________________________________________________________

Announcement ID:    SUSE-SU-2017:1281-1
Rating:             important
References:         #1025013 #1030575 #1031660 
Cross-References:   CVE-2017-5970 CVE-2017-7308
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that solves two vulnerabilities and has one
   errata is now available.

Description:


   This update the for Linux Kernel 3.12.61-52.69 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).
   - CVE-2017-7308: The packet_set_ring function in net/packet/af_packet.c in
     the Linux kernel did not properly validate certain block-size data,
     which allowed local users to cause a denial of service (overflow) or
     possibly have unspecified other impact via crafted system calls
     (bsc#1030575, bsc#1031660).


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-12-2017-763=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2017-763=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-2-4.1
      kgraft-patch-3_12_61-52_69-xen-2-4.1

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

      kgraft-patch-3_12_61-52_69-default-2-4.1
      kgraft-patch-3_12_61-52_69-xen-2-4.1


References:

   https://www.suse.com/security/cve/CVE-2017-5970.html
   https://www.suse.com/security/cve/CVE-2017-7308.html
   https://bugzilla.suse.com/1025013
   https://bugzilla.suse.com/1030575
   https://bugzilla.suse.com/1031660

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