SUSE Security Update: Security update for the Linux Kernel (Live Patch 24
 for SLE 12 SP2)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2864-1
Rating:             important
References:         #1102682 #1103203 #1105323 #1106191 
Cross-References:   CVE-2018-10902 CVE-2018-10938 CVE-2018-5390
                   
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server 12-SP2-LTSS
______________________________________________________________________________

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

Description:

   This update for the Linux Kernel 4.4.121-92_92 fixes several issues.

   The following security issues were fixed:

   - CVE-2018-5390: Prevent very expensive calls to tcp_collapse_ofo_queue()
     and tcp_prune_ofo_queue() for every incoming TCP packet which can lead
     to a denial of service (bsc#1102682).
   - CVE-2018-10938: Fixed an infinite loop in the cipso_v4_optptr() function
     leading to a denial-of-service via crafted network packets (bsc#1106191).
   - CVE-2018-10902: It was found that the raw midi kernel driver did not
     protect against concurrent access which lead to a double realloc (double
     free) in snd_rawmidi_input_params() and snd_rawmidi_output_status(),
     allowing a malicious local attacker to use this for privilege escalation
     (bsc#1105323).


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-SP2-2018-2006=1
 SUSE-SLE-SAP-12-SP2-2018-2007=1 SUSE-SLE-SAP-12-SP2-2018-2008=1 SUSE-SLE-SAP-12-SP2-2018-2009=1 SUSE-SLE-SAP-12-SP2-2018-2010=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-2006=1
 SUSE-SLE-SERVER-12-SP2-2018-2007=1 SUSE-SLE-SERVER-12-SP2-2018-2008=1 SUSE-SLE-SERVER-12-SP2-2018-2009=1 SUSE-SLE-SERVER-12-SP2-2018-2010=1



Package List:

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

      kgraft-patch-4_4_120-92_70-default-6-2.1
      kgraft-patch-4_4_121-92_73-default-5-2.1
      kgraft-patch-4_4_121-92_80-default-5-2.1
      kgraft-patch-4_4_121-92_85-default-3-2.1
      kgraft-patch-4_4_121-92_92-default-3-2.1

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

      kgraft-patch-4_4_120-92_70-default-6-2.1
      kgraft-patch-4_4_121-92_73-default-5-2.1
      kgraft-patch-4_4_121-92_80-default-5-2.1
      kgraft-patch-4_4_121-92_85-default-3-2.1
      kgraft-patch-4_4_121-92_92-default-3-2.1


References:

   https://www.suse.com/security/cve/CVE-2018-10902.html
   https://www.suse.com/security/cve/CVE-2018-10938.html
   https://www.suse.com/security/cve/CVE-2018-5390.html
   https://bugzilla.suse.com/1102682
   https://bugzilla.suse.com/1103203
   https://bugzilla.suse.com/1105323
   https://bugzilla.suse.com/1106191

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