Debian: DSA-2636-1: xen security update

    Date01 Mar 2013
    CategoryDebian
    26
    Posted ByLinuxSecurity Advisories
    Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems:
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    Debian Security Advisory DSA-2636-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    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: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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