diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index cdba4709f0126bc38fd9d5e0781f076d5bb73f83..e4c5b9d6083c132fefe1bc45a0c97f41240e971e 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2662,6 +2662,10 @@ struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
 {
 	struct smp_irk *irk;
 
+	/* Identity Address must be public or static random */
+	if (addr_type == ADDR_LE_DEV_RANDOM && (bdaddr->b[5] & 0xc0) != 0xc0)
+		return NULL;
+
 	list_for_each_entry(irk, &hdev->identity_resolving_keys, list) {
 		if (addr_type == irk->addr_type &&
 		    bacmp(bdaddr, &irk->bdaddr) == 0)