ESB-2018.2678 - [SUSE] KVM: Multiple vulnerabilities 2018-09-10

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2678
                          Security update for kvm
                             10 September 2018

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

Product:           KVM
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account      
                   Access Privileged Data          -- Existing Account      
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-12617 CVE-2018-11806 CVE-2018-3639

Reference:         ASB-2018.0121
                   ESB-2018.1548.7
                   ESB-2018.1545

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20182650-1/

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   SUSE Security Update: Security update for kvm
______________________________________________________________________________

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
______________________________________________________________________________

   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

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