| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 098/126] bluetooth: Validate socket address length in sco_sock_bind(). | Date | Wed, 6 Jan 2016 10:37:07 +0000 |
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3.16.7-ckt22 -stable review patch. If anyone has any objections, please let me know.
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From: "David S. Miller" <davem@davemloft.net>
commit 5233252fce714053f0151680933571a2da9cbfb4 upstream.
Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- net/bluetooth/sco.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index dbbbc0292bd0..f9cd2e1e1635 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -459,6 +459,9 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le 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) {
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