| Name | CVE-2012-0056 |
| Source | CVE (at NVD; Red Hat, Ubuntu, Gentoo, more) |
| Description | The mem_write function in Linux kernel 2.6.39 and other versions, 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. |
| NVD severity | medium (attack range: local) |
| Debian/oldstable | not known to be vulnerable. |
| Debian/stable | not vulnerable. |
| Debian/testing | not vulnerable. |
| Debian/unstable | not vulnerable. |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux-2.6 (PTS) | squeeze (security) | 2.6.32-44 | fixed |
| squeeze | 2.6.32-45 | fixed | |
| wheezy | 3.2.16-1 | fixed | |
| sid | 3.2.17-1 | fixed | |
| experimental | 3.3.4-1~experimental.1 | fixed |
The information above is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux-2.6 | source | (unstable) | 3.2.1-2 | medium | ||
| linux-2.6 | source | lenny | (not affected) | |||
| linux-2.6 | source | squeeze | (not affected) |
[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)
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