SUSE Security Update: Security update for the Linux Kernel (Live Patch 1 for
 SLE 15)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2940-1
Rating:             important
References:         #1105323 #1106191 
Cross-References:   CVE-2018-10902 CVE-2018-10938
Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 4.12.14-25_3 fixes several issues.

   The following security issues were fixed:

   - CVE-2018-10938: It was found that a crafted network packet sent remotely
     by an attacker may force the kernel to enter an infinite loop in the
     cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c leading to a
     denial-of-service. A certain non-default configuration of LSM (Linux
     Security Module) and NetLabel should be set up on a system an attacker
     could leverage this flaw.
   - 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 Module for Live Patching 15:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2018-2073=1
 SUSE-SLE-Module-Live-Patching-15-2018-2074=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):

      kernel-livepatch-4_12_14-23-default-4-10.2
      kernel-livepatch-4_12_14-23-default-debuginfo-4-10.2
      kernel-livepatch-4_12_14-25_3-default-4-2.1
      kernel-livepatch-4_12_14-25_3-default-debuginfo-4-2.1
      kernel-livepatch-SLE15_Update_0-debugsource-4-10.2


References:

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

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