CVE-2012-0056

Name	CVE-2012-0056
Description	The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.
Source	CVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, web search, more)
NVD severity	medium (attack range: local)
Debian/oldoldstable	not vulnerable.
Debian/oldstable	not known to be vulnerable.
Debian/stable	not known to be vulnerable.
Debian/testing	not known to be vulnerable.
Debian/unstable	not known to be vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux-2.6 (PTS)	squeeze, squeeze (security)	2.6.32-48squeeze6	fixed
	squeeze (lts)	2.6.32-48squeeze18	fixed

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

Package	Type	Release	Fixed Version	Urgency
linux-2.6	source	(unstable)	3.2.1-2	medium
linux-2.6	source	lenny	(not affected)
linux-2.6	source	squeeze	(not affected)

Notes

[squeeze] - linux-2.6 <not-affected> (introduced in 2.6.39)
[lenny] - linux-2.6 <not-affected> (introduced in 2.6.39)
fix is http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=e268337dfe26dfc7efd422a804dbb27977a3cccc (queued for 3.3)