CVE-2016-2270

NameCVE-2016-2270
DescriptionXen 4.6.x and earlier allows local guest administrators to cause a denial of service (host reboot) via vectors related to multiple mappings of MMIO pages with different cachability settings.
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)
ReferencesDLA-479-1, DSA-3519-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)jessie (security), jessie4.4.1-9+deb8u10fixed
buster, sid, stretch4.8.3+comet2+shim4.10.0+comet3-1+deb9u5fixed
stretch (security)4.8.3+xsa262+shim4.10.0+comet3-1+deb9u7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.8.0~rc3-1medium
xensourcejessie4.4.1-9+deb8u4mediumDSA-3519-1
xensourcesqueeze(unfixed)end-of-life
xensourcewheezy4.1.6.1-1+deb7u1mediumDLA-479-1

Notes

[squeeze] - xen <end-of-life> (Unsupported in Squeeze LTS)
http://xenbits.xen.org/xsa/advisory-154.html

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