static void *userns_get(struct task_struct *task)
{
	struct user_namespace *user_ns;

	rcu_read_lock();
	user_ns = get_user_ns(__task_cred(task)->user_ns);
	rcu_read_unlock();

	return user_ns;
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.