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Debian Security Advisory DSA 2636-2 (xen - several vulnerabilities)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
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.
Affected Software
Affected Software
xen on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (squeeze), these problems have been fixed in version 4.0.1-5.8. 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.