static void sco_conn_defer_accept(struct hci_conn *conn, u16 setting)
{
	struct hci_dev *hdev = conn->hdev;

	BT_DBG("conn %p", conn);

	conn->state = BT_CONFIG;

	if (!lmp_esco_capable(hdev)) {
		struct hci_cp_accept_conn_req cp;

		bacpy(&cp.bdaddr, &conn->dst);
		cp.role = 0x00; /* Ignored */

		hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
	} else {
		struct hci_cp_accept_sync_conn_req cp;

		bacpy(&cp.bdaddr, &conn->dst);
		cp.pkt_type = cpu_to_le16(conn->pkt_type);

		cp.tx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
		cp.rx_bandwidth   = __constant_cpu_to_le32(0x00001f40);
		cp.content_format = cpu_to_le16(setting);

		switch (setting & SCO_AIRMODE_MASK) {
		case SCO_AIRMODE_TRANSP:
			if (conn->pkt_type & ESCO_2EV3)
				cp.max_latency = __constant_cpu_to_le16(0x0008);
			else
				cp.max_latency = __constant_cpu_to_le16(0x000D);
			cp.retrans_effort = 0x02;
			break;
		case SCO_AIRMODE_CVSD:
			cp.max_latency = __constant_cpu_to_le16(0xffff);
			cp.retrans_effort = 0xff;
			break;
		}

		hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
			     sizeof(cp), &cp);
	}
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.