Kea configuration and API directives can be used to overwrite arbitrary files, subject to permissions granted to Kea. Many common configurations run Kea as root, leave the API entry points unsecured by default, and/or place the control sockets in insecure paths.
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2025:9178 https://access.redhat.com/errata/RHSA-2025:9178