ESB-2018.2710 - [SUSE] kernel: Denial of service - Existing account 2018-09-12

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2710
        SUSE Security Update: Security update for the Linux Kernel
                      (Live Patch 30 for SLE 12 SP1)
                             12 September 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           kernel
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10853  

Reference:         ESB-2018.2698
                   ESB-2018.2547

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20182684-1/

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   SUSE Security Update: Security update for the Linux Kernel (Live Patch 30
   for SLE 12 SP1)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2684-1
Rating:             important
References:         #1097108
Cross-References:   CVE-2018-10853
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server for SAP 12-SP1
                    SUSE Linux Enterprise Server 12-SP2-LTSS
                    SUSE Linux Enterprise Server 12-SP1-LTSS
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for the Linux Kernel 3.12.74-60_64_99 fixes one issue.

   The following security issue was fixed:

   - CVE-2018-10853: A KVM guest userspace to guest kernel write was fixed,
     which could be used by guest users to crash the guest kernel
     (bsc#1097108).


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation
   methods like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server for SAP 12-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-1875=1

   - SUSE Linux Enterprise Server for SAP 12-SP1:

      zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-1874=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-1875=1

   - SUSE Linux Enterprise Server 12-SP1-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-1874=1

   - SUSE Linux Enterprise Server 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-1873=1



Package List:

   - SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):

      kgraft-patch-4_4_121-92_92-default-2-2.1

   - SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):

      kgraft-patch-3_12_74-60_64_99-default-2-2.1
      kgraft-patch-3_12_74-60_64_99-xen-2-2.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):

      kgraft-patch-4_4_121-92_92-default-2-2.1

   - SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):

      kgraft-patch-3_12_74-60_64_99-default-2-2.1
      kgraft-patch-3_12_74-60_64_99-xen-2-2.1

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

      kgraft-patch-3_12_61-52_141-default-2-2.1
      kgraft-patch-3_12_61-52_141-xen-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2018-10853.html
   https://bugzilla.suse.com/1097108

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