CVE-2017-18188: Openr Opentmpfiles

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenRC opentmpfiles through 0.1.3, when the fs.protected_hardlinks sysctl is turned off, allows local users to obtain ownership of arbitrary files by creating a hard link inside a directory on which "chown -R" will be run.

Affected products

• Openr Opentmpfiles: up to and including 0.1.3

Published 2018-02-14. Last modified 2026-06-17.