Message ID | 4A7ACC3F.9070600@gmail.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Eric Dumazet <eric.dumazet@gmail.com> Date: Thu, 06 Aug 2009 14:27:43 +0200 > atalk_getname() can leak 8 bytes of kernel memory to user > > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Applied to net-2.6 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 590b839..9ef6ff2 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1237,6 +1237,7 @@ static int atalk_getname(struct socket *sock, struct sockaddr *uaddr, return -ENOBUFS; *uaddr_len = sizeof(struct sockaddr_at); + memset(&sat.sat_zero, 0, sizeof(sat.sat_zero)); if (peer) { if (sk->sk_state != TCP_ESTABLISHED)
atalk_getname() can leak 8 bytes of kernel memory to user Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> --- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html