static void __exit ecryptfs_exit(void)
{
	int rc;

	rc = ecryptfs_destroy_crypto();
	if (rc)
		printk(KERN_ERR "Failure whilst attempting to destroy crypto; "
		       "rc = [%d]\n", rc);
	ecryptfs_release_messaging();
	ecryptfs_destroy_kthread();
	do_sysfs_unregistration();
	unregister_filesystem(&ecryptfs_fs_type);
	ecryptfs_free_kmem_caches();
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.