| Package | Affected versions | Patched versions |
|---|---|---|
| systemd | < 237 | 237 |
systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks write access, as demonstrated by changing the ownership of the /etc/passwd file.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free