ESB-2017.3059 - [SUSE] xen: Multiple vulnerabilities 2017-11-30

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.3059
                            SUSE-SU-2017:3115-1
                             30 November 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           xen
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Increased Privileges     -- Existing Account
                   Denial of Service        -- Existing Account
                   Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-15597 CVE-2017-15289 

Reference:         ESB-2017.3024
                   ESB-2017.2698

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2017/suse-su-20173115-1/

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   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2017:3115-1
Rating:             important
References:         #1027519 #1055047 #1061075 #1063123 #1068187 
                    #1068191 
Cross-References:   CVE-2017-15289 CVE-2017-15597
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 12-SP3
                    SUSE Linux Enterprise Server 12-SP3
                    SUSE Linux Enterprise Desktop 12-SP3
                    SUSE Container as a Service Platform ALL
______________________________________________________________________________

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

Description:

   This update for xen to version 4.9.1 (bsc#1027519) fixes several issues.

   This new feature was added:

   - Support migration of HVM domains larger than 1 TB

   These security issues were fixed:

   - bsc#1068187: Failure to recognize errors in the Populate on Demand (PoD)
     code allowed for DoS (XSA-246)
   - bsc#1068191: Missing p2m error checking in PoD code allowed unprivileged
     guests to retain a writable mapping of freed memory leading to
     information leaks, privilege escalation or DoS (XSA-247).
   - CVE-2017-15289: The mode4and5 write functions allowed local OS guest
     privileged users to cause a denial of service (out-of-bounds write
     access and Qemu process crash) via vectors related to dst calculation
     (bsc#1063123)
   - CVE-2017-15597: A grant copy operation being done on a grant of a dying
     domain allowed a malicious guest administrator to corrupt hypervisor
     memory, allowing for DoS or potentially privilege escalation and
     information leaks (bsc#1061075).

   This non-security issue was fixed:

   - bsc#1055047: Fixed --initrd-inject option in virt-install


Patch Instructions:

   To install this SUSE Security Update use YaST online_update.
   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-SP3-2017-1926=1

   - SUSE Linux Enterprise Server 12-SP3:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-2017-1926=1

   - SUSE Linux Enterprise Desktop 12-SP3:

      zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2017-1926=1

   - SUSE Container as a Service Platform ALL:

      zypper in -t patch SUSE-CAASP-ALL-2017-1926=1

   To bring your system up-to-date, use "zypper patch".


Package List:

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

      xen-debugsource-4.9.1_02-3.21.1
      xen-devel-4.9.1_02-3.21.1

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

      xen-4.9.1_02-3.21.1
      xen-debugsource-4.9.1_02-3.21.1
      xen-doc-html-4.9.1_02-3.21.1
      xen-libs-32bit-4.9.1_02-3.21.1
      xen-libs-4.9.1_02-3.21.1
      xen-libs-debuginfo-32bit-4.9.1_02-3.21.1
      xen-libs-debuginfo-4.9.1_02-3.21.1
      xen-tools-4.9.1_02-3.21.1
      xen-tools-debuginfo-4.9.1_02-3.21.1
      xen-tools-domU-4.9.1_02-3.21.1
      xen-tools-domU-debuginfo-4.9.1_02-3.21.1

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

      xen-4.9.1_02-3.21.1
      xen-debugsource-4.9.1_02-3.21.1
      xen-libs-32bit-4.9.1_02-3.21.1
      xen-libs-4.9.1_02-3.21.1
      xen-libs-debuginfo-32bit-4.9.1_02-3.21.1
      xen-libs-debuginfo-4.9.1_02-3.21.1

   - SUSE Container as a Service Platform ALL (x86_64):

      xen-debugsource-4.9.1_02-3.21.1
      xen-libs-4.9.1_02-3.21.1
      xen-libs-debuginfo-4.9.1_02-3.21.1
      xen-tools-domU-4.9.1_02-3.21.1
      xen-tools-domU-debuginfo-4.9.1_02-3.21.1


References:

   https://www.suse.com/security/cve/CVE-2017-15289.html
   https://www.suse.com/security/cve/CVE-2017-15597.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1055047
   https://bugzilla.suse.com/1061075
   https://bugzilla.suse.com/1063123
   https://bugzilla.suse.com/1068187
   https://bugzilla.suse.com/1068191

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