From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Valid range of CIG/CIS are 0x00 to 0xEF, so this checks they are
properly checked before attempting to use HCI_OP_LE_SET_CIG_PARAMS.
Fixes: ccf74f2390d6 ("Bluetooth: Add BTPROTO_ISO socket type")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
---
net/bluetooth/iso.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 358954bfbb32..6b66d6a88b9a 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -1187,6 +1187,12 @@ static bool check_io_qos(struct bt_iso_io_qos *qos)
static bool check_ucast_qos(struct bt_iso_qos *qos)
{
+ if (qos->ucast.cig > 0xef && qos->ucast.cig != BT_ISO_QOS_CIG_UNSET)
+ return false;
+
+ if (qos->ucast.cis > 0xef && qos->ucast.cis != BT_ISO_QOS_CIS_UNSET)
+ return false;
+
if (qos->ucast.sca > 0x07)
return false;
--
2.41.0
