systemd (systemd-tmpfiles) < 236 - 'fs.protected_hardlinks=0' Local Privilege Escalation

Product: systemd systemd-tmpfiles Versions-affected: 236 and earlier Author: Michael Orlitzky Fixed-in: commit 5579f85 , version 237 Bug-report: https://github.com/systemd/systemd/issues/7736 Acknowledgments: Lennart Poettering who, instead of calling me an idiot for not realizing that systemd...