runc: LSM labels can be bypassed with malicious config using dummy procfs files

{
                    "vendor": "opencontainers",
                    "product": "runc",
                    "versions": [
                        {
                            "version": "<= 1.2.7, < 1.2.8",
                            "status": "affected"
                        },
                        {
                            "version": "<= 1.3.2, < 1.3.3",
                            "status": "affected"
                        },
                        {
                            "version": "<= 1.4.0-rc.2, < 1.4.0-rc.3",
                            "status": "affected"
                        }
                    ]
                }