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OpenAdvisories
High RLSA-2025:9178 3 CVEs

Important: kea security update

Published Oct 3, 2025 · Updated Oct 3, 2025

Summary

DHCP implementation from Internet Systems Consortium, Inc. that features fully functional DHCPv4, DHCPv6 and Dynamic DNS servers. Both DHCP servers fully support server discovery, address assignment, renewal, rebinding and release. The DHCPv6 server supports prefix delegation. Both servers support DNS Update mechanism, using stand-alone DDNS daemon.

Security Fix(es):

* kea: Loading a malicious hook library can lead to local privilege escalation (CVE-2025-32801)

* kea: Insecure handling of file paths allows multiple local attacks (CVE-2025-32802)

* kea: Insecure file permissions can result in confidential information leakage (CVE-2025-32803)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 10 kea 0:2.6.3-1.el10_0

Vulnerabilities 3

  • High 7.8

    Loading a malicious hook library can lead to local privilege escalation

    Kea configuration and API directives can be used to load a malicious hook library. 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 affects Kea versions…

  • Medium 6.1

    Insecure handling of file paths allows multiple local attacks

    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 pat…

  • Medium 4.0

    Insecure file permissions can result in confidential information leakage

    In some cases, Kea log files or lease files may be world-readable. This issue affects Kea versions 2.4.0 through 2.4.1, 2.6.0 through 2.6.2, and 2.7.0 through 2.7.8.

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2366362
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2367495
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2367496