CVE-2014-3122

Name	CVE-2014-3122
Description	The try_to_unmap_cluster function in mm/rmap.c in the Linux kernel before 3.14.3 does not properly consider which pages must be locked, which allows local users to cause a denial of service (system crash) by triggering a memory-usage pattern that requires removal of page-table mappings.
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-0015-1, DSA-2926-1
Debian Bugs	747326

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	Debian Bugs
linux	source	wheezy	3.2.57-3+deb7u1	DSA-2926-1
linux	source	(unstable)	3.14.4-1		747326
linux-2.6	source	squeeze	2.6.32-48squeeze8
linux-2.6	source	(unstable)	(unfixed)

Notes

Introduced by https://git.kernel.org/linus/b291f000393f5a0b679012b39d79fbc85c018233
Fixed by https://git.kernel.org/linus/57e68e9cd65b4b8eb4045a1e0d0746458502554c (v3.15-rc1)