SUSE Security Update: Security update for Xen
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Announcement ID:    SUSE-SU-2015:0944-1
Rating:             important
References:         #910441 #927967 #929339 
Cross-References:   CVE-2015-3340 CVE-2015-3456
Affected Products:
                    SUSE Linux Enterprise Server 11 SP2 LTSS
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   An update that solves two vulnerabilities and has one
   errata is now available.

Description:


   Xen was updated to fix two security issues and a bug:

       * CVE-2015-3456: A buffer overflow in the floppy drive emulation,
         which could be used to carry out denial of service attacks or
         potential code execution against the host. This vulnerability is
         also known as VENOM.
       * CVE-2015-3340: Xen did not initialize certain fields, which allowed
         certain remote service domains to obtain sensitive information from
         memory via a (1) XEN_DOMCTL_gettscinfo or (2)
         XEN_SYSCTL_getdomaininfolist request.
       * An exception in setCPUAffinity when restoring guests. (bsc#910441)

   Security Issues:

       * CVE-2015-3456
         <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3456>
       * CVE-2015-3340
         <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3340>


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 Server 11 SP2 LTSS:

      zypper in -t patch slessp2-xen=10685

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


Package List:

   - SUSE Linux Enterprise Server 11 SP2 LTSS (i586 x86_64):

      xen-devel-4.1.6_08-0.11.1
      xen-kmp-default-4.1.6_08_3.0.101_0.7.29-0.11.1
      xen-kmp-trace-4.1.6_08_3.0.101_0.7.29-0.11.1
      xen-libs-4.1.6_08-0.11.1
      xen-tools-domU-4.1.6_08-0.11.1

   - SUSE Linux Enterprise Server 11 SP2 LTSS (x86_64):

      xen-4.1.6_08-0.11.1
      xen-doc-html-4.1.6_08-0.11.1
      xen-doc-pdf-4.1.6_08-0.11.1
      xen-libs-32bit-4.1.6_08-0.11.1
      xen-tools-4.1.6_08-0.11.1

   - SUSE Linux Enterprise Server 11 SP2 LTSS (i586):

      xen-kmp-pae-4.1.6_08_3.0.101_0.7.29-0.11.1


References:

   https://www.suse.com/security/cve/CVE-2015-3340.html
   https://www.suse.com/security/cve/CVE-2015-3456.html
   https://bugzilla.suse.com/910441
   https://bugzilla.suse.com/927967
   https://bugzilla.suse.com/929339
   https://download.suse.com/patch/finder/?keywords=8be2bb05e7093a3facd3bc07a934547b

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