]> git.karo-electronics.de Git - karo-tx-linux.git/commit
af_packet: prevent information leak
authorEric Dumazet <eric.dumazet@gmail.com>
Tue, 7 Jun 2011 05:42:06 +0000 (22:42 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 13 Jul 2011 03:29:27 +0000 (05:29 +0200)
commitcc2c6564492b2a5f570d08d127c1496cc185a5f5
tree2c18614e6bc14a5ad26a1505e52b2acee2689c6b
parent5eabe872301b2754122ce37fc4d1adfafbc94182
af_packet: prevent information leak

[ Upstream commit 13fcb7bd322164c67926ffe272846d4860196dc6 ]

In 2.6.27, commit 393e52e33c6c2 (packet: deliver VLAN TCI to userspace)
added a small information leak.

Add padding field and make sure its zeroed before copy to user.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
include/linux/if_packet.h
net/packet/af_packet.c