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List:       suse-security-announce
Subject:    [security-announce] SUSE-SU-2018:0562-1: important: Security update for the Linux Kernel (Live Patch
From:       opensuse-security () opensuse ! org
Date:       2018-02-28 17:08:51
Message-ID: 20180228170851.AC8A7FD2E () maintenance ! suse ! de
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   SUSE Security Update: Security update for the Linux Kernel (Live Patch 31 for SLE 12)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:0562-1
Rating:             important
References:         #1064392 
Cross-References:   CVE-2017-15649
Affected Products:
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 3.12.61-52_119 fixes several issues.

   The following security issue was fixed:

   - CVE-2017-15649: net/packet/af_packet.c in the Linux kernel allowed local
     users to gain privileges via crafted system calls that trigger
     mishandling of packet_fanout data structures, because of a race
     condition (involving fanout_add and packet_do_bind) that leads to a
     use-after-free, a different vulnerability than CVE-2017-6346
     (bsc#1064392)


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 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-373=1

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


Package List:

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

      kgraft-patch-3_12_61-52_119-default-2-2.1
      kgraft-patch-3_12_61-52_119-xen-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2017-15649.html
   https://bugzilla.suse.com/1064392

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