From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
The allowed values for the key->master parameter in the Load LTKs
command are 0x00 and 0x01. If there is a key in the list with some other
value the command should fail with a proper invalid params response.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/mgmt.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index a050eee..c7ec47c 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2721,6 +2721,15 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
BT_DBG("%s key_count %u", hdev->name, key_count);
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_ltk_info *key = &cp->keys[i];
+
+ if (key->master != 0x00 && key->master != 0x01)
+ return cmd_status(sk, hdev->id,
+ MGMT_OP_LOAD_LONG_TERM_KEYS,
+ MGMT_STATUS_INVALID_PARAMS);
+ }
+
hci_dev_lock(hdev);
hci_smp_ltks_clear(hdev);
--
1.7.10.4
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