CVE-2017-18078 log

Severity High
Remote No
Type Access restriction bypass
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.
Group Package Affected Fixed Severity Status Ticket
AVG-621 systemd 236.0-1 237.0-1 High Fixed