Description
uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | uptimed | No fix yet | — |
| Ubuntu 26.04 LTS | uptimed | No fix yet | — |
| Ubuntu 25.10 | uptimed | No fix yet | — |
| Ubuntu 24.04 LTS | uptimed | No fix yet | — |
| Ubuntu 22.04 LTS | uptimed | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | uptimed | No fix yet | — |
| Ubuntu 18.04 LTS | uptimed | No fix yet | — |
| Ubuntu 16.04 LTS | uptimed | No fix yet | — |
References
- https://bugs.gentoo.org/630810
- GLSA-202305-14 vendor-advisory