static int firm_open(struct usb_serial_port *port)
{
	struct whiteheat_simple open_command;

	open_command.port = port->port_number + 1;
	return firm_send_command(port, WHITEHEAT_OPEN,
		(__u8 *)&open_command, sizeof(open_command));
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.