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 bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)stretch (security), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster, buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye (security), bullseye4.14.3-1~deb11u1fixed
bookworm4.14.3-1fixed
sid4.14.3+32-g9de3671772-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensourcewheezy(not affected)
xensourcejessie(not affected)
xensourcestretch4.8.1-1+deb9u3
xensource(unstable)4.8.1-1+deb9u3

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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