CVE-2016-9383

NameCVE-2016-9383
DescriptionXen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.
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-720-1, DSA-3729-1
NVD severityhigh
Debian Bugs845668

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
buster4.11.3+24-g14b62ab3e5-1~deb10u1fixed
buster (security)4.11.4+24-gddaaccbbab-1~deb10u1fixed
bullseye, sid4.11.4+24-gddaaccbbab-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.8.0-1845668
xensourcejessie4.4.1-9+deb8u8DSA-3729-1
xensourcewheezy4.1.6.lts1-4DLA-720-1

Notes

https://xenbits.xen.org/xsa/advisory-195.html

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