Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2013.0310
xen security update
4 March 2013
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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-2013.0299
ESB-2013.0166
ESB-2012.1150
Original Bulletin:
http://www.debian.org/security/2013/dsa-2636
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Debian Security Advisory DSA-2636-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
March 01, 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
Debian Bug :
Multiple vulnerabilities have been discovered in the Xen hypervisor. The
Common Vulnerabilities and Exposures project identifies the following
problems:
CVE-2012-4544
Insufficient validation of kernel or ramdisk sizes in the Xen PV
domain builder could result in denial of service.
CVE-2012-5511
Several HVM control operations performed insufficient validation of
input, which could result in denial of service through resource
exhaustion.
CVE-2012-5634
Incorrect interrupt handling when using VT-d hardware could result
in denial of service.
CVE-2013-0153
Insufficient restriction of interrupt access could result in denial
of service.
For the stable distribution (squeeze), these problems have been fixed in
version 4.0.1-5.7.
For the testing distribution (wheezy), these problems have been fixed in
version 4.1.4-2.
For the unstable distribution (sid), these problems have been fixed in
version 4.1.4-2.
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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