Linux Security
Linux Security
Linux Security

Debian: DSA-2636-1: xen security update

Date 01 Mar 2013
134
Posted By LinuxSecurity 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.
https://www.debian.org/security/                        Moritz Muehlenhoff
March 01, 2013                         https://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: https://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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