From 47b0f573f2fa7634860e16ea31f2bc3057a1022a Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sat, 27 Aug 2016 20:23:37 +0200 Subject: [PATCH] Bluetooth: Check SOL_HCI for raw socket options The SOL_HCI level should be enforced when using socket options on the HCI raw socket interface. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- net/bluetooth/hci_sock.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 96f04b7b9556..99dd1503ef56 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -1440,6 +1440,9 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, BT_DBG("sk %p, opt %d", sk, optname); + if (level != SOL_HCI) + return -ENOPROTOOPT; + lock_sock(sk); if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) { @@ -1523,6 +1526,9 @@ static int hci_sock_getsockopt(struct socket *sock, int level, int optname, BT_DBG("sk %p, opt %d", sk, optname); + if (level != SOL_HCI) + return -ENOPROTOOPT; + if (get_user(len, optlen)) return -EFAULT; -- 2.20.1