CVE-2016-5728

NameCVE-2016-5728
DescriptionRace condition in the vop_ioctl function in drivers/misc/mic/vop/vop_vringh.c in the MIC VOP driver in the Linux kernel before 4.6.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (memory corruption and system crash) by changing a certain header, aka a "double fetch" vulnerability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3616-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1fixed
wheezy (security)3.2.93-1fixed
jessie3.16.43-2+deb8u2fixed
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.51-1fixed
stretch (security)4.9.30-2+deb9u5fixed
buster, sid4.13.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.6.1-1medium
linuxsourcejessie3.16.7-ckt25-2+deb8u3mediumDSA-3616-1
linuxsourcewheezy(not affected)

Notes

[wheezy] - linux <not-affected> (Vulnerable code not present)
Upstream fix: https://git.kernel.org/linus/9bf292bfca94694a721449e3fd752493856710f6 (v4.7-rc1)
Introduced in: https://git.kernel.org/linus/f69bcbf3b4c4b333dcd7a48eaf868bf0c88edab5 (v3.13-rc1)

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