static int param_get_audit(char *buffer, struct kernel_param *kp)
{
	if (!capable(CAP_MAC_ADMIN))
		return -EPERM;

	if (!apparmor_enabled)
		return -EINVAL;

	return sprintf(buffer, "%s", audit_mode_names[aa_g_audit]);
}

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.