static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
{
	struct usb_device *usb_dev;

	usb_dev = to_usb_device(dev);

	if (add_uevent_var(env, "BUSNUM=%03d", usb_dev->bus->busnum))
		return -ENOMEM;

	if (add_uevent_var(env, "DEVNUM=%03d", usb_dev->devnum))
		return -ENOMEM;

	return 0;
}

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.