diff options
| author | Kees Cook <keescook@chromium.org> | 2013-05-10 14:48:21 -0700 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-06-19 02:16:59 +0100 |
| commit | bfb624e7fd41437a2c256adaf4041fe4414f8f26 (patch) | |
| tree | 2410efa506bff88257d74675a5fde45669863c2f /kernel | |
| parent | 9fa72f6b1b0faa477a8317902e6f6eb2b32c832d (diff) | |
b43: stop format string leaking into error msgs
commit e0e29b683d6784ef59bbc914eac85a04b650e63c upstream.
The module parameter "fwpostfix" is userspace controllable, unfiltered,
and is used to define the firmware filename. b43_do_request_fw() populates
ctx->errors[] on error, containing the firmware filename. b43err()
parses its arguments as a format string. For systems with b43 hardware,
this could lead to a uid-0 to ring-0 escalation.
CVE-2013-2852
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions