SUSE-SU-2018:2650-1: moderate: Security update for kvm

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for kvm
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Announcement ID:    SUSE-SU-2018:2650-1
Rating:             moderate
References:         #1092885 #1096223 #1098735 
Cross-References:   CVE-2018-11806 CVE-2018-12617 CVE-2018-3639
                   
Affected Products:
                    SUSE Linux Enterprise Server 11-SP4
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   An update that fixes three vulnerabilities is now available.

Description:

   This update for kvm fixes the following security issues:

   - CVE-2018-12617: qmp_guest_file_read had an integer overflow that could
     have been exploited by sending a crafted QMP command (including
     guest-file-read with a large count value) to the agent via the listening
     socket causing DoS (bsc#1098735)
   - CVE-2018-11806: Prevent heap-based buffer overflow via incoming
     fragmented datagrams (bsc#1096223)

   With this release the mitigations for Spectre v4 are moved the the patches
   from upstream (CVE-2018-3639, bsc#1092885).


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 11-SP4:

      zypper in -t patch slessp4-kvm-13771=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4 (i586 s390x x86_64):

      kvm-1.4.2-60.15.2


References:

   https://www.suse.com/security/cve/CVE-2018-11806.html
   https://www.suse.com/security/cve/CVE-2018-12617.html
   https://www.suse.com/security/cve/CVE-2018-3639.html
   https://bugzilla.suse.com/1092885
   https://bugzilla.suse.com/1096223
   https://bugzilla.suse.com/1098735