1 files changed, 8 insertions, 1 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 7c65ee200c29..8fd36f59dcde 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -5437,9 +5437,16 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn,
 		goto response_unlock;
 	}
 
+	/* Check for valid dynamic CID range */
+	if (scid < L2CAP_CID_DYN_START || scid > L2CAP_CID_LE_DYN_END) {
+		result = L2CAP_CR_INVALID_SCID;
+		chan = NULL;
+		goto response_unlock;
+	}
+
 	/* Check if we already have channel with that dcid */
 	if (__l2cap_get_chan_by_dcid(conn, scid)) {
-		result = L2CAP_CR_NO_MEM;
+		result = L2CAP_CR_SCID_IN_USE;
 		chan = NULL;
 		goto response_unlock;
 	}