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| author |   Kees Cook <keescook@chromium.org> | 2017-01-24 15:18:24 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-01-24 16:26:14 -0800 |
| commit | 2dc705a9930b4806250fbf5a76e55266e59389f2 (patch) | |
| tree | 31600b43163040502500c88d8c97b7c6aad319d5 /include/linux/mmzone.h | |
| parent | frv: add atomic64_add_unless() (diff) | |
| download | linux-dev-2dc705a9930b4806250fbf5a76e55266e59389f2.tar.xz linux-dev-2dc705a9930b4806250fbf5a76e55266e59389f2.zip | |
fbdev: color map copying bounds checking
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>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mmzone.h')
0 files changed, 0 insertions, 0 deletions