Security update for the Linux Kernel (Live Patch 31 for SLE 12)

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
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: