CVE-2012-4537

NameCVE-2012-4537
DescriptionXen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2582-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)jessie4.4.1-9+deb8u10fixed
jessie (security)4.4.4lts4-0+deb8u1fixed
stretch (security), stretch4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10fixed
buster, sid4.11.1~pre.20180911.5acdd26fdc+dfsg-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.1.3-4low
xensourcesqueeze4.0.1-5.5lowDSA-2582-1

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