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  • [SECURITY] [DSA 2636-1] xen security update

    From Moritz Muehlenhoff@1:229/2 to All on Fri Mar 1 20:30:02 2013
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2636-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff
    March 01, 2013 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    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: [email protected]
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