diff options
| author | Kees Cook <keescook@chromium.org> | 2017-01-24 15:18:24 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-01 08:30:52 +0100 |
| commit | 63db7c91a3c0ebe0e291feea53e4c63391db9465 (patch) | |
| tree | b160135a1ff34bc3c2cf2bcd56b04289469e491c /net/packet | |
| parent | ef30573ef2b13c0ecbd0302ee00b6921cf0a4aa0 (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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/packet')
0 files changed, 0 insertions, 0 deletions