Pronađeni su i otklonjeni sigurnosni propusti paketa libvirt i xen koji su omogućavali napadaču uskraćivanje usluge i nekontrolirano zauzimanje fizičke memorije sustava.

Announcement ID: SUSE-SU-2012:1043-1
Rating: important
References: #746702 #762484 #762963 #764982 #766283 #773393
                    #773401 #773955
Cross-References: CVE-2012-3432
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 11 SP2
                    SUSE Linux Enterprise Server 11 SP2
                    SUSE Linux Enterprise Desktop 11 SP2
______________________________________________________________________________

   An update that solves one vulnerability and has 7 fixes is
   now available. It includes one version update.

Description:

   Xen was updated to fix several security issues:

   *

   CVE-2012-3433: A xen HVM guest destroy p2m teardown
   host DoS vulnerability was fixed, where malicious guest
   could lock/crash the host.

   *

   CVE-2012-3432: A xen HVM guest user mode MMIO
   emulation DoS was fixed.

   *

   CVE-2012-2625: The xen pv bootloader doesn't check
   the size of the bzip2 or lzma compressed kernel, leading to
   denial of service (crash).

   Also the following bug in XEN has been fixed:

   * bnc#746702 - Xen HVM DomU crash during Windows Server
   2008 R2 install, when maxmem > memory

   This update also included bugfixes for:

   *

   vm-install: - bnc#762963 - ReaR: Unable to recover a
   paravirtualized XEN guest

   *

   virt-manager - SLE11-SP2 ONLY

   * bnc#764982 - virt-manager fails to start after
   upgrade to SLES11 SP2 from SLES10

   Security Issue reference:

   * CVE-2012-3432
   <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3432
>

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 11 SP2:

      zypper in -t patch sdksp2-xen-201208-6640

   - SUSE Linux Enterprise Server 11 SP2:

      zypper in -t patch slessp2-xen-201208-6640

   - SUSE Linux Enterprise Desktop 11 SP2:

      zypper in -t patch sledsp2-xen-201208-6640

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

Package List:

   - SUSE Linux Enterprise Software Development Kit 11 SP2 (x86_64):

      libvirt-devel-0.9.6-0.21.3
      libvirt-devel-32bit-0.9.6-0.21.3
      xen-devel-4.1.2_20-0.5.2

   - SUSE Linux Enterprise Server 11 SP2 (x86_64) [New Version: 0.5.10]:

      libvirt-0.9.6-0.21.3
      libvirt-client-0.9.6-0.21.3
      libvirt-client-32bit-0.9.6-0.21.3
      libvirt-doc-0.9.6-0.21.3
      libvirt-python-0.9.6-0.21.3
      virt-manager-0.9.0-3.19.1
      vm-install-0.5.10-0.5.1
      xen-4.1.2_20-0.5.2
      xen-doc-html-4.1.2_20-0.5.2
      xen-doc-pdf-4.1.2_20-0.5.2
      xen-kmp-default-4.1.2_20_3.0.38_0.5-0.5.2
      xen-kmp-trace-4.1.2_20_3.0.38_0.5-0.5.2
      xen-libs-32bit-4.1.2_20-0.5.2
      xen-libs-4.1.2_20-0.5.2
      xen-tools-4.1.2_20-0.5.2
      xen-tools-domU-4.1.2_20-0.5.2

   - SUSE Linux Enterprise Desktop 11 SP2 (x86_64) [New Version: 0.5.10]:

      libvirt-0.9.6-0.21.3
      libvirt-client-0.9.6-0.21.3
      libvirt-client-32bit-0.9.6-0.21.3
      libvirt-doc-0.9.6-0.21.3
      libvirt-python-0.9.6-0.21.3
      virt-manager-0.9.0-3.19.1
      vm-install-0.5.10-0.5.1
      xen-4.1.2_20-0.5.2
      xen-doc-html-4.1.2_20-0.5.2
      xen-doc-pdf-4.1.2_20-0.5.2
      xen-kmp-default-4.1.2_20_3.0.38_0.5-0.5.2
      xen-kmp-trace-4.1.2_20_3.0.38_0.5-0.5.2
      xen-libs-32bit-4.1.2_20-0.5.2
      xen-libs-4.1.2_20-0.5.2
      xen-tools-4.1.2_20-0.5.2
      xen-tools-domU-4.1.2_20-0.5.2

References:

   http://support.novell.com/security/cve/CVE-2012-3432.html
   https://bugzilla.novell.com/746702
   https://bugzilla.novell.com/762484
   https://bugzilla.novell.com/762963
   https://bugzilla.novell.com/764982
   https://bugzilla.novell.com/766283
   https://bugzilla.novell.com/773393
   https://bugzilla.novell.com/773401
   https://bugzilla.novell.com/773955
   http://download.novell.com/patch/finder/?keywords=6aa25504d39edb169f3b6d3e111160e9

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