SUSE Security Update: Security update for xen
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Announcement ID:    SUSE-SU-2019:3296-1
Rating:             important
References:         #1158003 #1158004 #1158005 #1158006 #1158007 
                    
Cross-References:   CVE-2019-19577 CVE-2019-19578 CVE-2019-19580
                    CVE-2019-19581 CVE-2019-19582 CVE-2019-19583
                   
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP5
                    SUSE Linux Enterprise Server 12-SP5
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   An update that fixes 6 vulnerabilities is now available.

Description:

   This update for xen fixes the following issues:

   - CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm
     (bsc#1158003 XSA-307).
   - CVE-2019-19582: Fixed a potential infinite loop when x86 accesses to
     bitmaps with a compile time known size of 64 (bsc#1158003 XSA-307).
   - 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-2019-19578: 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-2019-19580: 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-2019-19577: 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).


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-SP5:

      zypper in -t patch SUSE-SLE-SDK-12-SP5-2019-3296=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2019-3296=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64):

      xen-debugsource-4.12.1_10-3.8.1
      xen-devel-4.12.1_10-3.8.1

   - SUSE Linux Enterprise Server 12-SP5 (x86_64):

      xen-4.12.1_10-3.8.1
      xen-debugsource-4.12.1_10-3.8.1
      xen-doc-html-4.12.1_10-3.8.1
      xen-libs-32bit-4.12.1_10-3.8.1
      xen-libs-4.12.1_10-3.8.1
      xen-libs-debuginfo-32bit-4.12.1_10-3.8.1
      xen-libs-debuginfo-4.12.1_10-3.8.1
      xen-tools-4.12.1_10-3.8.1
      xen-tools-debuginfo-4.12.1_10-3.8.1
      xen-tools-domU-4.12.1_10-3.8.1
      xen-tools-domU-debuginfo-4.12.1_10-3.8.1


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-2019-19580.html
   https://www.suse.com/security/cve/CVE-2019-19581.html
   https://www.suse.com/security/cve/CVE-2019-19582.html
   https://www.suse.com/security/cve/CVE-2019-19583.html
   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

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