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; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3006-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)wheezy4.1.4-3+deb7u9fixed
wheezy (security)4.1.6.lts1-4fixed
jessie4.4.1-9+deb8u7fixed
jessie (security)4.4.1-9+deb8u8fixed
stretch, sid4.8.0~rc5-1fixed

The information below 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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