SUSE-SU-2018:2963-1: important: Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP3)

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP3)
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Announcement ID:    SUSE-SU-2018:2963-1
Rating:             important
References:         #1099306 #1102682 #1103203 #1105323 #1106191 
                    
Cross-References:   CVE-2018-10902 CVE-2018-10938 CVE-2018-3646
                    CVE-2018-5390
Affected Products:
                    SUSE Linux Enterprise Live Patching 12-SP3
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   An update that solves four vulnerabilities and has one
   errata is now available.

Description:

   This update for the Linux Kernel 4.4.140-94_42 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).
   - CVE-2018-3646: Fixed unauthorized disclosure of information residing in
     the L1 data cache on systems with microprocessors utilizing speculative
     execution and address translations (bsc#1099306).


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 Live Patching 12-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2018-2108=1 SUSE-SLE-Live-Patching-12-SP3-2018-2109=1



Package List:

   - SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64):

      kgraft-patch-4_4_138-94_39-default-3-2.1
      kgraft-patch-4_4_138-94_39-default-debuginfo-3-2.1
      kgraft-patch-4_4_140-94_42-default-3-2.1
      kgraft-patch-4_4_140-94_42-default-debuginfo-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-2018-3646.html
   https://www.suse.com/security/cve/CVE-2018-5390.html
   https://bugzilla.suse.com/1099306
   https://bugzilla.suse.com/1102682
   https://bugzilla.suse.com/1103203
   https://bugzilla.suse.com/1105323
   https://bugzilla.suse.com/1106191