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[Bluetooth] Restrict well known PSM to privileged users
[pandora-kernel.git]
/
net
/
bluetooth
/
l2cap.c
diff --git
a/net/bluetooth/l2cap.c
b/net/bluetooth/l2cap.c
index
be5a6e6
..
f8c25d5
100644
(file)
--- a/
net/bluetooth/l2cap.c
+++ b/
net/bluetooth/l2cap.c
@@
-585,6
+585,12
@@
static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_
goto done;
}
+ if (la->l2_psm > 0 && btohs(la->l2_psm) < 0x1001 &&
+ !capable(CAP_NET_BIND_SERVICE)) {
+ err = -EACCES;
+ goto done;
+ }
+
write_lock_bh(&l2cap_sk_list.lock);
if (la->l2_psm && __l2cap_get_sock_by_addr(la->l2_psm, &la->l2_bdaddr)) {