CVE-2016-6258

NameCVE-2016-6258
DescriptionThe PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
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-571-1, DSA-3633-1
NVD severityhigh

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
buster4.11.4+24-gddaaccbbab-1~deb10u1fixed
buster (security)4.11.4+37-g3263f257ca-1fixed
bullseye4.11.4+24-gddaaccbbab-1fixed
sid4.14.0+80-gd101b417b7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensourcewheezy4.1.6.lts1-1DLA-571-1
xensourcejessie4.4.1-9+deb8u6DSA-3633-1
xensource(unstable)4.8.0~rc3-1

Notes

http://xenbits.xen.org/xsa/advisory-182.html

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