diff options
author | Kees Cook <[email protected]> | 2017-01-24 15:18:24 -0800 |
---|---|---|
committer | Linus Torvalds <[email protected]> | 2017-01-24 16:26:14 -0800 |
commit | 2dc705a9930b4806250fbf5a76e55266e59389f2 (patch) | |
tree | 31600b43163040502500c88d8c97b7c6aad319d5 /lib/test-string_helpers.c | |
parent | 545d58f677b21401f6de1ac12c25cc109f903ace (diff) |
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 <[email protected]>
Reported-by: Peter Pi (@heisecode) of Trend Micro
Cc: Min Chong <[email protected]>
Cc: Dan Carpenter <[email protected]>
Cc: Tomi Valkeinen <[email protected]>
Cc: Bartlomiej Zolnierkiewicz <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/test-string_helpers.c')
0 files changed, 0 insertions, 0 deletions