CVE-2014-1950

NameCVE-2014-1950
DescriptionUse-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-3006-1
NVD severitymedium (attack range: local)
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)squeeze (security), squeeze4.0.1-5.11fixed
wheezy4.1.4-3+deb7u3fixed
wheezy (security)4.1.4-3+deb7u4fixed
jessie4.4.1-6fixed
sid4.4.1-7fixed

The information above is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.4.0-1medium
xensourcesqueeze(not affected)
xensourcewheezy4.1.4-3+deb7u2mediumDSA-3006-1

Notes

[squeeze] - xen <not-affected> (Xen 4.1 onwards affected)

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