Commit e84b90ae authored Aug 06, 2009 by Eric Dumazet Committed by David S. Miller Aug 09, 2009

can: Fix raw_getname() leak



raw_getname() can leak 10 bytes of kernel memory to user

(two bytes hole between can_family and can_ifindex,
8 bytes at the end of sockaddr_can structure)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b79a7947

net/can/raw.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -401,6 +401,7 @@ static int raw_getname(struct socket sock, struct sockaddr uaddr,
		if (peer)
		return -EOPNOTSUPP;

		memset(addr, 0, sizeof(*addr));
		addr->can_family = AF_CAN;
		addr->can_ifindex = ro->ifindex;