diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 5ed2cfa7da1d..5e32e4d5367a 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -479,6 +479,9 @@ static int hci_uart_tty_open(struct tty_struct *tty) BT_DBG("tty %p", tty); + if (!capable(CAP_NET_ADMIN)) + return -EPERM; + /* Error if the tty has no write op instead of leaving an exploitable * hole */