CVE-2016-0723

Name	CVE-2016-0723
Description	Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-412-1, DSA-3448-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	fixed
	buster (security)	4.19.269-1	fixed
	bullseye	5.10.158-2	fixed
	bullseye (security)	5.10.162-1	fixed
	bookworm	6.1.15-1	fixed
	sid	6.1.20-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	wheezy	3.2.73-2+deb7u3
linux	source	jessie	3.16.7-ckt20-1+deb8u3	DSA-3448-1
linux	source	(unstable)	4.3.3-6
linux-2.6	source	squeeze	2.6.32-48squeeze19	DLA-412-1
linux-2.6	source	(unstable)	(unfixed)

http://lkml.iu.edu/hypermail/linux/kernel/1511.3/03045.html
https://git.kernel.org/linus/5c17c861a357e9458001f021a7afa7aab9937439 (v4.5-rc2)