static int param_set_aauint(const char *val, const struct kernel_param *kp)
{
	if (!capable(CAP_MAC_ADMIN))
		return -EPERM;
	return param_set_uint(val, kp);
}

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.