icinga2: Icinga 2 is an open source monitoring system
CVE-2025-61909 is fixed in icinga2 on 1 platform, first by DEBIAN-CVE-2025-61909, released October 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.
Icinga 2 is an open source monitoring system. From 2.10.0 to before 2.15.1, 2.14.7, and 2.13.13, the safe-reload script (also used during systemctl reload icinga2) and logrotate configuration shipped with Icinga 2 read the PID of the main Icinga 2 process from a PID file writable by the daemon user, but send the signal as the root user. This can allow the Icinga user to send signals to processes it would otherwise not permitted to. A fix is included in the following Icinga 2 versions: 2.15.1, 2.14.7, and 2.13.13.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| icinga2 · Debian 13.5 (trixie) | 2.14.6-1+deb13u1 | DEBIAN-CVE-2025-61909 | Oct 16, 2025 |
| icinga2 · Debian 14 | 2.15.1-1 | DEBIAN-CVE-2025-61909 | Oct 16, 2025 |
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