From 5233252fce714053f0151680933571a2da9cbfb4 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Tue, 15 Dec 2015 15:39:08 -0500 Subject: [PATCH] bluetooth: Validate socket address length in sco_sock_bind(). Signed-off-by: David S. Miller --- net/bluetooth/sco.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index fe129663bd3f..f52bcbf2e58c 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -526,6 +526,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, if (!addr || addr->sa_family != AF_BLUETOOTH) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_sco)) + return -EINVAL; + lock_sock(sk); if (sk->sk_state != BT_OPEN) { -- 2.20.1