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| author | David S. Miller <davem@davemloft.net> | 2015-12-15 15:39:08 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-22 20:55:49 -0800 |
| commit | 9b11c6bd46ec36ddee89e29702584d0eaca2e4f7 (patch) | |
| tree | 939da6b680f54df4f63456c836c8d074b71036b2 | |
| parent | 1e569db179df3a39ef012277f7cb5fd28b7adc8e (diff) | |
| download | lwn-9b11c6bd46ec36ddee89e29702584d0eaca2e4f7.tar.gz lwn-9b11c6bd46ec36ddee89e29702584d0eaca2e4f7.zip | |
bluetooth: Validate socket address length in sco_sock_bind().
[ Upstream commit 5233252fce714053f0151680933571a2da9cbfb4 ]
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/bluetooth/sco.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index f315c8d0e43b..15cb6c5508bc 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -519,6 +519,9 @@ 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) { |