SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:2234-1
Rating:             important
References:         #1163019 #1168140 #1168142 #1169392 #1174543 
                    
Cross-References:   CVE-2020-11739 CVE-2020-11740 CVE-2020-11741
                    CVE-2020-11742 CVE-2020-8608
Affected Products:
                    SUSE OpenStack Cloud 7
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server 12-SP2-LTSS
                    SUSE Linux Enterprise Server 12-SP2-BCL
______________________________________________________________________________

   An update that fixes 5 vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - bsc#1174543 - secure boot related fixes
   - bsc#1163019 - CVE-2020-8608: Potential OOB access due to unsafe
     snprintf() usages
   - bsc#1169392 - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy
   - bsc#1168140 - CVE-2020-11740, CVE-2020-11741: Multiple xenoprof issues
   - bsc#1168142 - CVE-2020-11739: Missing memory barriers in read-write
     unlock paths


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 OpenStack Cloud 7:

      zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2234=1

   - SUSE Linux Enterprise Server for SAP 12-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2234=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2234=1

   - SUSE Linux Enterprise Server 12-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2234=1



Package List:

   - SUSE OpenStack Cloud 7 (x86_64):

      xen-4.7.6_08-43.64.1
      xen-debugsource-4.7.6_08-43.64.1
      xen-doc-html-4.7.6_08-43.64.1
      xen-libs-32bit-4.7.6_08-43.64.1
      xen-libs-4.7.6_08-43.64.1
      xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
      xen-libs-debuginfo-4.7.6_08-43.64.1
      xen-tools-4.7.6_08-43.64.1
      xen-tools-debuginfo-4.7.6_08-43.64.1
      xen-tools-domU-4.7.6_08-43.64.1
      xen-tools-domU-debuginfo-4.7.6_08-43.64.1

   - SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):

      xen-4.7.6_08-43.64.1
      xen-debugsource-4.7.6_08-43.64.1
      xen-doc-html-4.7.6_08-43.64.1
      xen-libs-32bit-4.7.6_08-43.64.1
      xen-libs-4.7.6_08-43.64.1
      xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
      xen-libs-debuginfo-4.7.6_08-43.64.1
      xen-tools-4.7.6_08-43.64.1
      xen-tools-debuginfo-4.7.6_08-43.64.1
      xen-tools-domU-4.7.6_08-43.64.1
      xen-tools-domU-debuginfo-4.7.6_08-43.64.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):

      xen-4.7.6_08-43.64.1
      xen-debugsource-4.7.6_08-43.64.1
      xen-doc-html-4.7.6_08-43.64.1
      xen-libs-32bit-4.7.6_08-43.64.1
      xen-libs-4.7.6_08-43.64.1
      xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
      xen-libs-debuginfo-4.7.6_08-43.64.1
      xen-tools-4.7.6_08-43.64.1
      xen-tools-debuginfo-4.7.6_08-43.64.1
      xen-tools-domU-4.7.6_08-43.64.1
      xen-tools-domU-debuginfo-4.7.6_08-43.64.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      xen-4.7.6_08-43.64.1
      xen-debugsource-4.7.6_08-43.64.1
      xen-doc-html-4.7.6_08-43.64.1
      xen-libs-32bit-4.7.6_08-43.64.1
      xen-libs-4.7.6_08-43.64.1
      xen-libs-debuginfo-32bit-4.7.6_08-43.64.1
      xen-libs-debuginfo-4.7.6_08-43.64.1
      xen-tools-4.7.6_08-43.64.1
      xen-tools-debuginfo-4.7.6_08-43.64.1
      xen-tools-domU-4.7.6_08-43.64.1
      xen-tools-domU-debuginfo-4.7.6_08-43.64.1


References:

   https://www.suse.com/security/cve/CVE-2020-11739.html
   https://www.suse.com/security/cve/CVE-2020-11740.html
   https://www.suse.com/security/cve/CVE-2020-11741.html
   https://www.suse.com/security/cve/CVE-2020-11742.html
   https://www.suse.com/security/cve/CVE-2020-8608.html
   https://bugzilla.suse.com/1163019
   https://bugzilla.suse.com/1168140
   https://bugzilla.suse.com/1168142
   https://bugzilla.suse.com/1169392
   https://bugzilla.suse.com/1174543

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