CVE-2016-4578

Name	CVE-2016-4578
Description	sound/core/timer.c in the Linux kernel through 4.6 does not initialize certain r1 data structures, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface, related to the (1) snd_timer_user_ccallback and (2) snd_timer_user_tinterrupt functions.
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-516-1, DSA-3607-1

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	6.1.115-1	fixed
	bookworm (security)	6.1.119-1	fixed
	sid, trixie	6.12.6-1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	wheezy	3.2.81-1	DLA-516-1
linux	source	jessie	3.16.7-ckt25-2+deb8u2	DSA-3607-1
linux	source	(unstable)	4.5.5-1

Notes

https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5