| 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; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux-2.6 | source | lenny | (not affected) | |||
| linux-2.6 | source | squeeze | (not affected) | |||
| linux-2.6 | source | (unstable) | 3.2.1-2 |
[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)