filelock: SoftFileLock stale-break restore follows a swapped-in symbolic link and hard-links a file of the user running the lock into the lock directory

{
                    "vendor": "tox-dev",
                    "product": "filelock",
                    "versions": [
                        {
                            "version": ">= 4.1.0, < 4.2.1",
                            "status": "affected"
                        }
                    ]
                }