BlueChi rootpriv escalation by overwrite systemd units on RHIVOS
CVE-2025-2515 Published on December 24, 2025
Bluechi: privilege escalation in bluechi via unrestricted cross-node systemd dependencies
A vulnerability was found in BlueChi, a multi-node systemd service controller used in RHIVOS. This flaw allows a user with root privileges on a managed node (qm) to create or override systemd service unit files that affect the host node. This issue can lead to privilege escalation, unauthorized service execution, and potential system compromise.
Vulnerability Analysis
CVE-2025-2515 can be exploited with physical access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Timeline
Reported to Red Hat.
Made public. 218 days later.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2025-2515 has been classified to as an AuthZ vulnerability or weakness.
Affected Versions
Eclipse Foundation BlueChi:- Before 1.0.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.