diff options
| author | Kees Cook <keescook@chromium.org> | 2017-01-24 15:18:24 -0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-06-17 15:46:40 +0200 |
| commit | a6606f0e55eb765c6bab667e250680d78da13ef4 (patch) | |
| tree | 8f9fbf61de8fa322c6e241bb75c7f6029d9a3644 /security/keys/keyctl.c | |
| parent | 41f4de62e9e9c5cbb4ff2a1cf469eb15c409eb38 (diff) | |
fbdev: color map copying bounds checking
commit 2dc705a9930b4806250fbf5a76e55266e59389f2 upstream.
Copying color maps to userspace doesn't check the value of to->start,
which will cause kernel heap buffer OOB read due to signedness wraps.
CVE-2016-8405
Link: http://lkml.kernel.org/r/20170105224249.GA50925@beast
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Peter Pi (@heisecode) of Trend Micro
Cc: Min Chong <mchong@google.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'security/keys/keyctl.c')
0 files changed, 0 insertions, 0 deletions