SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:1630-1
Rating:             important
References:         #1157888 #1158003 #1158004 #1158005 #1158006 
                    #1158007 #1161181 #1167152 #1168140 #1168142 
                    #1169392 #1172205 
Cross-References:   CVE-2019-19577 CVE-2019-19578 CVE-2019-19579
                    CVE-2019-19580 CVE-2019-19581 CVE-2019-19583
                    CVE-2020-0543 CVE-2020-11739 CVE-2020-11740
                    CVE-2020-11741 CVE-2020-11742 CVE-2020-7211
                   
Affected Products:
                    SUSE OpenStack Cloud Crowbar 8
                    SUSE OpenStack Cloud 8
                    SUSE Linux Enterprise Server for SAP 12-SP3
                    SUSE Linux Enterprise Server 12-SP3-LTSS
                    SUSE Linux Enterprise Server 12-SP3-BCL
                    SUSE Enterprise Storage 5
                    HPE Helion Openstack 8
______________________________________________________________________________

   An update that fixes 12 vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - CVE-2020-0543: Fixed a side channel attack against special registers
     which could have resulted in leaking of read values to cores other than
     the one which called it. This attack is known as Special Register Buffer
     Data Sampling (SRBDS) or "CrossTalk" (bsc#1172205).
   - CVE-2020-11742: Bad continuation handling in GNTTABOP_copy (bsc#1169392).
   - CVE-2020-11740, CVE-2020-11741: xen: XSA-313 multiple xenoprof issues
     (bsc#1168140).
   - CVE-2020-11739: Missing memory barriers in read-write unlock paths
     (bsc#1168142).
   - CVE-2019-19583: Fixed improper checks which could have allowed HVM/PVH
     guest userspace code to crash the guest, leading to a guest denial of
     service (bsc#1158004 XSA-308).
   - CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm
     (bsc#1158003 XSA-307).
   - CVE-2019-19580: Fixed a privilege escalation where a malicious PV guest
     administrator could have been able to escalate their privilege to that
     of the host (bsc#1158006 XSA-310).
   - CVE-2019-19579: Fixed a privilege escalation where an untrusted domain
     with access to a physical device can DMA into host memory (bsc#1157888
     XSA-306).
   - CVE-2019-19578: Fixed an issue where a malicious or buggy PV guest could
     have caused hypervisor crash resulting in denial of service affecting
     the entire host (bsc#1158005 XSA-309).
   - CVE-2019-19577: Fixed an issue where a malicious guest administrator
     could have caused Xen to access data structures while they are being
     modified leading to a crash (bsc#1158007 XSA-311).
   - Xenstored Crashed during VM install (bsc#1167152)


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 Crowbar 8:

      zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2020-1630=1

   - SUSE OpenStack Cloud 8:

      zypper in -t patch SUSE-OpenStack-Cloud-8-2020-1630=1

   - SUSE Linux Enterprise Server for SAP 12-SP3:

      zypper in -t patch SUSE-SLE-SAP-12-SP3-2020-1630=1

   - SUSE Linux Enterprise Server 12-SP3-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2020-1630=1

   - SUSE Linux Enterprise Server 12-SP3-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2020-1630=1

   - SUSE Enterprise Storage 5:

      zypper in -t patch SUSE-Storage-5-2020-1630=1

   - HPE Helion Openstack 8:

      zypper in -t patch HPE-Helion-OpenStack-8-2020-1630=1



Package List:

   - SUSE OpenStack Cloud Crowbar 8 (x86_64):

      xen-4.9.4_06-3.62.1
      xen-debugsource-4.9.4_06-3.62.1
      xen-doc-html-4.9.4_06-3.62.1
      xen-libs-32bit-4.9.4_06-3.62.1
      xen-libs-4.9.4_06-3.62.1
      xen-libs-debuginfo-32bit-4.9.4_06-3.62.1
      xen-libs-debuginfo-4.9.4_06-3.62.1
      xen-tools-4.9.4_06-3.62.1
      xen-tools-debuginfo-4.9.4_06-3.62.1
      xen-tools-domU-4.9.4_06-3.62.1
      xen-tools-domU-debuginfo-4.9.4_06-3.62.1

   - SUSE OpenStack Cloud 8 (x86_64):

      xen-4.9.4_06-3.62.1
      xen-debugsource-4.9.4_06-3.62.1
      xen-doc-html-4.9.4_06-3.62.1
      xen-libs-32bit-4.9.4_06-3.62.1
      xen-libs-4.9.4_06-3.62.1
      xen-libs-debuginfo-32bit-4.9.4_06-3.62.1
      xen-libs-debuginfo-4.9.4_06-3.62.1
      xen-tools-4.9.4_06-3.62.1
      xen-tools-debuginfo-4.9.4_06-3.62.1
      xen-tools-domU-4.9.4_06-3.62.1
      xen-tools-domU-debuginfo-4.9.4_06-3.62.1

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

      xen-4.9.4_06-3.62.1
      xen-debugsource-4.9.4_06-3.62.1
      xen-doc-html-4.9.4_06-3.62.1
      xen-libs-32bit-4.9.4_06-3.62.1
      xen-libs-4.9.4_06-3.62.1
      xen-libs-debuginfo-32bit-4.9.4_06-3.62.1
      xen-libs-debuginfo-4.9.4_06-3.62.1
      xen-tools-4.9.4_06-3.62.1
      xen-tools-debuginfo-4.9.4_06-3.62.1
      xen-tools-domU-4.9.4_06-3.62.1
      xen-tools-domU-debuginfo-4.9.4_06-3.62.1

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

      xen-4.9.4_06-3.62.1
      xen-debugsource-4.9.4_06-3.62.1
      xen-doc-html-4.9.4_06-3.62.1
      xen-libs-32bit-4.9.4_06-3.62.1
      xen-libs-4.9.4_06-3.62.1
      xen-libs-debuginfo-32bit-4.9.4_06-3.62.1
      xen-libs-debuginfo-4.9.4_06-3.62.1
      xen-tools-4.9.4_06-3.62.1
      xen-tools-debuginfo-4.9.4_06-3.62.1
      xen-tools-domU-4.9.4_06-3.62.1
      xen-tools-domU-debuginfo-4.9.4_06-3.62.1

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

      xen-4.9.4_06-3.62.1
      xen-debugsource-4.9.4_06-3.62.1
      xen-doc-html-4.9.4_06-3.62.1
      xen-libs-32bit-4.9.4_06-3.62.1
      xen-libs-4.9.4_06-3.62.1
      xen-libs-debuginfo-32bit-4.9.4_06-3.62.1
      xen-libs-debuginfo-4.9.4_06-3.62.1
      xen-tools-4.9.4_06-3.62.1
      xen-tools-debuginfo-4.9.4_06-3.62.1
      xen-tools-domU-4.9.4_06-3.62.1
      xen-tools-domU-debuginfo-4.9.4_06-3.62.1

   - SUSE Enterprise Storage 5 (x86_64):

      xen-4.9.4_06-3.62.1
      xen-debugsource-4.9.4_06-3.62.1
      xen-doc-html-4.9.4_06-3.62.1
      xen-libs-32bit-4.9.4_06-3.62.1
      xen-libs-4.9.4_06-3.62.1
      xen-libs-debuginfo-32bit-4.9.4_06-3.62.1
      xen-libs-debuginfo-4.9.4_06-3.62.1
      xen-tools-4.9.4_06-3.62.1
      xen-tools-debuginfo-4.9.4_06-3.62.1
      xen-tools-domU-4.9.4_06-3.62.1
      xen-tools-domU-debuginfo-4.9.4_06-3.62.1

   - HPE Helion Openstack 8 (x86_64):

      xen-4.9.4_06-3.62.1
      xen-debugsource-4.9.4_06-3.62.1
      xen-doc-html-4.9.4_06-3.62.1
      xen-libs-32bit-4.9.4_06-3.62.1
      xen-libs-4.9.4_06-3.62.1
      xen-libs-debuginfo-32bit-4.9.4_06-3.62.1
      xen-libs-debuginfo-4.9.4_06-3.62.1
      xen-tools-4.9.4_06-3.62.1
      xen-tools-debuginfo-4.9.4_06-3.62.1
      xen-tools-domU-4.9.4_06-3.62.1
      xen-tools-domU-debuginfo-4.9.4_06-3.62.1


References:

   https://www.suse.com/security/cve/CVE-2019-19577.html
   https://www.suse.com/security/cve/CVE-2019-19578.html
   https://www.suse.com/security/cve/CVE-2019-19579.html
   https://www.suse.com/security/cve/CVE-2019-19580.html
   https://www.suse.com/security/cve/CVE-2019-19581.html
   https://www.suse.com/security/cve/CVE-2019-19583.html
   https://www.suse.com/security/cve/CVE-2020-0543.html
   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-2020-7211.html
   https://bugzilla.suse.com/1157888
   https://bugzilla.suse.com/1158003
   https://bugzilla.suse.com/1158004
   https://bugzilla.suse.com/1158005
   https://bugzilla.suse.com/1158006
   https://bugzilla.suse.com/1158007
   https://bugzilla.suse.com/1161181
   https://bugzilla.suse.com/1167152
   https://bugzilla.suse.com/1168140
   https://bugzilla.suse.com/1168142
   https://bugzilla.suse.com/1169392
   https://bugzilla.suse.com/1172205

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