linux/drivers/video/fbdev/core
Kees Cook 2dc705a993 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: 1da177e4c3 ("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>
2017-01-24 16:26:14 -08:00
..
Makefile
cfbcopyarea.c
cfbfillrect.c
cfbimgblt.c
fb_cmdline.c
fb_ddc.c
fb_defio.c
fb_draw.h
fb_notify.c
fb_sys_fops.c
fbcmap.c
fbcvt.c
fbmem.c
fbmon.c
fbsysfs.c
modedb.c
svgalib.c
syscopyarea.c
sysfillrect.c
sysimgblt.c