[patch 42/48] rose: Fix rose_getname() leak

From: Greg KH
Date: Fri Sep 04 2009 - 16:14:58 EST

2.6.27-stable review patch. If anyone has any objections, please let us know.

From: Eric Dumazet <eric.dumazet@xxxxxxxxx>

commit 17ac2e9c58b69a1e25460a568eae1b0dc0188c25 upstream.

rose_getname() can leak kernel memory to user.

Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

net/rose/af_rose.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -957,6 +957,7 @@ static int rose_getname(struct socket *s
struct rose_sock *rose = rose_sk(sk);
int n;

+ memset(srose, 0, sizeof(*srose));
if (peer != 0) {
if (sk->sk_state != TCP_ESTABLISHED)
return -ENOTCONN;

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/