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CVE-2025-61909

Published: Oct 16, 2025

Modified: Oct 16, 2025

PUBLISHED

Description

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.

Vendor	Product	Versions
Icinga	icinga2	affected `>=2.10.0, < 2.13.13` affected `>=2.14.0, < 2.14.7` affected `>=2.15.0, < 2.15.1`

Weaknesses (CWE)

References

https://github.com/Icinga/icinga2/security/advisories/GHSA-pg6g-g99v-mw46

x_refsource_CONFIRM

https://github.com/Icinga/icinga2/issues/10527

x_refsource_MISC

https://github.com/Icinga/icinga2/commit/51ec73cbd922a76fc0f60e1d8d33acd7caa5d587

x_refsource_MISC

https://icinga.com/blog/releasing-icinga-2-v2-15-1-2-14-7-and-2-13-13-and-icinga-db-web-v1-2-3-and-1-1-4

x_refsource_MISC

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