CVE-2017-12136

NameCVE-2017-12136
DescriptionRace condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
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.lts1-8fixed
jessie4.4.1-9+deb8u9fixed
jessie (security)4.4.1-9+deb8u10fixed
buster, sid, stretch4.8.1-1+deb9u1vulnerable
stretch (security)4.8.1-1+deb9u3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)(unfixed)medium
xensourcejessie(not affected)
xensourcestretch4.8.1-1+deb9u3medium
xensourcewheezy(not affected)

Notes

[jessie] - xen <not-affected> (Only affects 4.6 and later)
[wheezy] - xen <not-affected> (Only affects 4.6 and later)
https://xenbits.xen.org/xsa/advisory-228.html

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