

A high severity vulnerability has been identified in NVIDIA runx, an unmaintained component now declared end-of-life. The flaw allows code injection, which could result in arbitrary code execution, privilege escalation, denial of service, information disclosure, or data tampering. NVIDIA has confirmed that runx is no longer supported and that no security patches will be issued. All Linux versions of NVIDIA runx are affected. There are currently no reports of exploitation in the wild; however, the absence of vendor support significantly increases long-term risk.
CVE
CVE-2025-33234
Targeting / Delivery Mechanism
The vulnerability may be exploited by supplying crafted input to the vulnerable component, triggering unintended command or code execution. Systems exposing runx functionality to untrusted inputs or shared environments may present higher risk.
Execution Technique
The issue stems from improper input handling that enables code injection. An attacker could manipulate input in a way that causes arbitrary commands to execute within the context of the application, potentially escalating privileges depending on runtime configuration.
Persistence / Deployment
If exploited, attackers could execute malicious payloads, create privileged accounts, modify system files, or deploy persistence mechanisms, particularly if runx operates with elevated privileges.
Operational Impact
Severity is High. Successful exploitation may lead to full system compromise, service disruption, data manipulation, or credential exposure. Because no vendor patch will be released, continued use of NVIDIA runx represents sustained exposure risk.
Validate Integrity
Identify any systems running NVIDIA runx. Since all versions are vulnerable and unsupported, assess whether the component is actively used or exposed to untrusted inputs. Review logs for unusual process execution, privilege changes, or unexpected system behaviour.
Respond to Confirmed Compromise
Immediately isolate affected systems. Remove or disable NVIDIA runx where feasible. Conduct forensic analysis for unauthorised command execution, account creation, or file modification. Rebuild systems if integrity cannot be confidently verified.
Strengthen Preventative Controls
Decommission NVIDIA runx and transition to supported alternatives. Implement structured vulnerability management practices and apply the Principle of Least Privilege. Enforce application control and monitoring to detect abnormal execution patterns.
References
https://nvidia.custhelp.com/app/answers/detail/a_id/5764
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