SUSE-SU-2018:2056-1: moderate: Security update for xen

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

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2056-1
Rating:             moderate
References:         #1027519 #1079730 #1095242 #1096224 #1097521 
                    #1097522 #1098744 
Cross-References:   CVE-2018-11806 CVE-2018-12617 CVE-2018-12891
                    CVE-2018-12893 CVE-2018-3665
Affected Products:
                    SUSE Linux Enterprise Server 12-LTSS
______________________________________________________________________________

   An update that solves 5 vulnerabilities and has two fixes
   is now available.

Description:

   This update for xen fixes the following issues:


   Security issues fixed:

   - CVE-2018-12617: Fix integer overflow that causes segmentation fault in
     qmp_guest_file_read() with g_malloc() (bsc#1098744).
   - CVE-2018-3665: Fix Lazy FP Save/Restore issue (XSA-267) (bsc#1095242).
   - CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented
     datagrams (bsc#1096224).
   - CVE-2018-12891: Fix possible Denial of Service (DoS) via certain PV MMU
     operations that affect the entire host (XSA-264) (bsc#1097521).
   - CVE-2018-12893: Fix crash/Denial of Service (DoS) via safety check
     (XSA-265) (bsc#1097522).

   Bug fixes:

   - bsc#1079730: Fix failed "write" lock.
   - bsc#1027519: Add upstream patches from January.


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 12-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-2018-1389=1



Package List:

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

      xen-4.4.4_34-22.71.2
      xen-debugsource-4.4.4_34-22.71.2
      xen-doc-html-4.4.4_34-22.71.2
      xen-kmp-default-4.4.4_34_k3.12.61_52.136-22.71.2
      xen-kmp-default-debuginfo-4.4.4_34_k3.12.61_52.136-22.71.2
      xen-libs-32bit-4.4.4_34-22.71.2
      xen-libs-4.4.4_34-22.71.2
      xen-libs-debuginfo-32bit-4.4.4_34-22.71.2
      xen-libs-debuginfo-4.4.4_34-22.71.2
      xen-tools-4.4.4_34-22.71.2
      xen-tools-debuginfo-4.4.4_34-22.71.2
      xen-tools-domU-4.4.4_34-22.71.2
      xen-tools-domU-debuginfo-4.4.4_34-22.71.2


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-2018-12891.html
   https://www.suse.com/security/cve/CVE-2018-12893.html
   https://www.suse.com/security/cve/CVE-2018-3665.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1079730
   https://bugzilla.suse.com/1095242
   https://bugzilla.suse.com/1096224
   https://bugzilla.suse.com/1097521
   https://bugzilla.suse.com/1097522
   https://bugzilla.suse.com/1098744