CVE-2026-58302
LinuxCNC · LinuxCNC
A vulnerability in the `rtapi_app` component of LinuxCNC linuxcnc-uspace allows for potential privilege escalation or unauthorized control of the machine controller.
Executive summary
A high-severity vulnerability in LinuxCNC's rtapi_app component poses a risk of unauthorized command execution and potential loss of control over critical industrial machinery.
Vulnerability
The vulnerability resides within the rtapi_app process in linuxcnc-uspace. This component, which manages real-time application interactions, is susceptible to an unspecified flaw that may allow an attacker to achieve unauthorized execution or privilege escalation.
Business impact
LinuxCNC is frequently used in industrial and manufacturing environments; therefore, a compromise of this software could result in operational disruption, equipment damage, or safety hazards. With a CVSS score of 8.4, the potential for unauthorized control over industrial hardware necessitates immediate attention to ensure the safety and continuity of production processes.
Remediation
Immediate Action: Apply the latest security patches provided by the LinuxCNC project as soon as they become available.
Proactive Monitoring: Monitor system logs for unexpected execution of rtapi_app or unauthorized attempts to access real-time kernel interfaces.
Compensating Controls: Implement strict network segmentation to isolate the machine controller from general-purpose networks, ensuring only authorized personnel have access to the system.
Exploitation status
Public Exploit Available: false
Analyst recommendation
This vulnerability represents a significant risk to the availability and integrity of automated manufacturing systems. Administrators must treat this as a high-priority issue and apply vendor-supplied updates immediately upon release to prevent potential unauthorized control of industrial hardware.