CVE-2016-7042

Name	CVE-2016-7042
Description	The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-670-1, DSA-3696-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.226-1	fixed
	bookworm	6.1.106-3	fixed
	bookworm (security)	6.1.112-1	fixed
	trixie	6.10.11-1	fixed
	sid	6.11.2-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	wheezy	3.2.82-1	DLA-670-1
linux	source	jessie	3.16.36-1+deb8u2	DSA-3696-1
linux	source	(unstable)	4.7.8-1

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1373966
https://bugzilla.redhat.com/show_bug.cgi?id=1373499
https://git.kernel.org/linus/03dab869b7b239c4e013ec82aea22e181e441cfc