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(parent: 72a5986) | patch
cx24116: fix a buffer overflow when checking userspace params
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>
Tue, 28 Apr 2015 21:51:17 +0000 (18:51 -0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 3 Aug 2015 16:29:44 +0000 (09:29 -0700)
commit81afd3a2f3bfd22a96a2229b8f091e072b78c0ba
tree162eb0e17eaf42944da0ea86882c35cac4aab2cbtree | snapshot
parent72a5986b353150c220d5df97281474371a139f5ecommit | diff
cx24116: fix a buffer overflow when checking userspace params

commit 1fa2337a315a2448c5434f41e00d56b01a22283c upstream.

The maximum size for a DiSEqC command is 6, according to the
userspace API. However, the code allows to write up much more values:
drivers/media/dvb-frontends/cx24116.c:983 cx24116_send_diseqc_msg() error: buffer overflow 'd->msg' 6 <= 23

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/media/dvb-frontends/cx24116.c diff | blob | history
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