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author | Kees Cook <keescook@chromium.org> | 2013-05-10 23:48:21 +0200 |
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committer | John W. Linville <linville@tuxdriver.com> | 2013-06-12 16:20:59 +0200 |
commit | e0e29b683d6784ef59bbc914eac85a04b650e63c (patch) | |
tree | 80d2f170443f2c7bc711c7dfaf31f9b19304718b /net | |
parent | ath9k: Use minstrel rate control by default (diff) | |
download | linux-e0e29b683d6784ef59bbc914eac85a04b650e63c.tar.xz 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 'net')
0 files changed, 0 insertions, 0 deletions