]> 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)
committerDavid S. Miller <davem@davemloft.net>
Tue, 7 Jun 2011 05:42:06 +0000 (22:42 -0700)
commit13fcb7bd322164c67926ffe272846d4860196dc6
treeaa7727f84e4ce2a2b1cf758e03d176c62354f44b
parent79b3891587741dfac72cdfead1f2764b56a567b0
af_packet: prevent information leak

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>
include/linux/if_packet.h
net/packet/af_packet.c