CVE-2016-1886

NameCVE-2016-1886
DescriptionInteger signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a "two way heap and stack overflow."
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)
NVD severityhigh (attack range: local)
Debian Bugs824604

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
kfreebsd-10 (PTS)jessie10.1~svn274115-4vulnerable
sid, stretch10.3~svn300087-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kfreebsd-10source(unstable)10.3~svn300087-1unimportant824604

Notes

kfreebsd not covered by security support in Jessie

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