CVE-2016-9756

NameCVE-2016-9756
Descriptionarch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-772-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1vulnerable
wheezy (security)3.2.88-1fixed
jessie3.16.39-1fixed
jessie (security)3.16.39-1+deb8u2fixed
stretch, sid4.9.18-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.8.15-1low
linuxsourcejessie3.16.39-1low
linuxsourcewheezy3.2.84-1lowDLA-772-1

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1400468
Fixed by: https://git.kernel.org/linus/2117d5398c81554fbf803f5fd1dc55eb78216c0c

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