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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0313
                           xen regression update
                               4 March 2013

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

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

Product:           xen
Publisher:         Debian
Operating System:  Debian GNU/Linux 6
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2013-0153 CVE-2012-5634 CVE-2012-5511
                   CVE-2012-4544  

Reference:         ESB-2013.0310
                   ESB-2013.0299
                   ESB-2013.0166
                   ESB-2012.1150

Original Bulletin: 
   http://www.debian.org/security/2013/dsa-2636

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Debian Security Advisory DSA-2636-2                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
March 03, 2013                         http://www.debian.org/security/faq
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Package        : xen
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2012-4544 CVE-2012-5511 CVE-2012-5634 CVE-2013-0153

A regression in combination with pygrub has been discovered. For the 
stable distribution (squeeze), these problems have been fixed in version 
4.0.1-5.8.

We recommend that you upgrade your xen packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
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Internet Email: auscert@auscert.org.au
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