CVE-2016-9932

NameCVE-2016-9932
DescriptionCMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.
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-964-1, DSA-3847-1
NVD severitylow (attack range: local)
Debian Bugs848081

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)jessie4.4.1-9+deb8u10fixed
jessie (security)4.4.4lts4-0+deb8u1fixed
stretch (security), stretch4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10fixed
buster, sid4.11.1~pre.20180911.5acdd26fdc+dfsg-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensource(unstable)4.8.0~rc3-1low848081
xensourcejessie4.4.1-9+deb8u9lowDSA-3847-1
xensourcewheezy4.1.6.lts1-8lowDLA-964-1

Notes

https://xenbits.xen.org/xsa/advisory-200.html

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