SUSE Security Update: Security update for xen
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Announcement ID:    SUSE-SU-2018:1456-1
Rating:             important
References:         #1027519 #1074562 #1090296 #1090822 #1090823 
                    #1092631 
Cross-References:   CVE-2018-10981 CVE-2018-10982 CVE-2018-3639
                   
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP3
                    SUSE Linux Enterprise Server 12-SP3
                    SUSE Linux Enterprise Desktop 12-SP3
                    SUSE CaaS Platform ALL
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   An update that solves three vulnerabilities and has three
   fixes is now available.

Description:


   This update for xen fixes the following issues:

   Security issues fixed:

   - CVE-2018-3639: Spectre V4 ??? Speculative Store Bypass aka "Memory
     Disambiguation" (bsc#1092631)

     This feature can be controlled by the "ssbd=on/off" commandline flag for
   the XEN hypervisor.
   - CVE-2018-10982: x86 vHPET interrupt injection errors (XSA-261
     bsc#1090822)
   - CVE-2018-10981: qemu may drive Xen into unbounded loop (XSA-262
     bsc#1090823)

   Other bugfixes:

   - Upstream patches from Jan (bsc#1027519)
   - additional fixes related to Page Table Isolation (XPTI). (bsc#1074562
     XSA-254)
   - qemu-system-i386 cannot handle more than 4 HW NICs (bsc#1090296)


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 Software Development Kit 12-SP3:

      zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-996=1

   - SUSE Linux Enterprise Server 12-SP3:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-996=1

   - SUSE Linux Enterprise Desktop 12-SP3:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-996=1

   - SUSE CaaS Platform ALL:

      To install this update, use the SUSE CaaS Platform Velum dashboard.
      It will inform you if it detects new updates and let you then trigger
      updating of the complete cluster in a controlled way.



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP3 (aarch64 x86_64):

      xen-debugsource-4.9.2_06-3.32.1
      xen-devel-4.9.2_06-3.32.1

   - SUSE Linux Enterprise Server 12-SP3 (x86_64):

      xen-4.9.2_06-3.32.1
      xen-debugsource-4.9.2_06-3.32.1
      xen-doc-html-4.9.2_06-3.32.1
      xen-libs-32bit-4.9.2_06-3.32.1
      xen-libs-4.9.2_06-3.32.1
      xen-libs-debuginfo-32bit-4.9.2_06-3.32.1
      xen-libs-debuginfo-4.9.2_06-3.32.1
      xen-tools-4.9.2_06-3.32.1
      xen-tools-debuginfo-4.9.2_06-3.32.1
      xen-tools-domU-4.9.2_06-3.32.1
      xen-tools-domU-debuginfo-4.9.2_06-3.32.1

   - SUSE Linux Enterprise Desktop 12-SP3 (x86_64):

      xen-4.9.2_06-3.32.1
      xen-debugsource-4.9.2_06-3.32.1
      xen-libs-32bit-4.9.2_06-3.32.1
      xen-libs-4.9.2_06-3.32.1
      xen-libs-debuginfo-32bit-4.9.2_06-3.32.1
      xen-libs-debuginfo-4.9.2_06-3.32.1

   - SUSE CaaS Platform ALL (x86_64):

      xen-debugsource-4.9.2_06-3.32.1
      xen-libs-4.9.2_06-3.32.1
      xen-libs-debuginfo-4.9.2_06-3.32.1
      xen-tools-domU-4.9.2_06-3.32.1
      xen-tools-domU-debuginfo-4.9.2_06-3.32.1


References:

   https://www.suse.com/security/cve/CVE-2018-10981.html
   https://www.suse.com/security/cve/CVE-2018-10982.html
   https://www.suse.com/security/cve/CVE-2018-3639.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1074562
   https://bugzilla.suse.com/1090296
   https://bugzilla.suse.com/1090822
   https://bugzilla.suse.com/1090823
   https://bugzilla.suse.com/1092631