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| author | Kees Cook <keescook@chromium.org> | 2013-05-10 14:48:21 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-06-12 10:20:59 -0400 |
| commit | e0e29b683d6784ef59bbc914eac85a04b650e63c (patch) | |
| tree | 80d2f170443f2c7bc711c7dfaf31f9b19304718b /drivers/mfd | |
| parent | 5efac94999ff218e0101f67a059e44abb4b0b523 (diff) | |
| download | linux-e0e29b683d6784ef59bbc914eac85a04b650e63c.tar.gz linux-e0e29b683d6784ef59bbc914eac85a04b650e63c.tar.bz2 linux-e0e29b683d6784ef59bbc914eac85a04b650e63c.zip | |
b43: stop format string leaking into error msgs
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>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/mfd')
0 files changed, 0 insertions, 0 deletions