Description

NVIDIA Infrastructure Controller for Linux contains a vulnerability where an attacker could cause improper enforcement of a behavioral workflow. A successful exploit of this vulnerability might lead to data tampering, denial of service, and information disclosure.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.0",
  "pubDate": "2026-09-22T15:17:12.923Z",
  "pubdate": "2026-09-22T15:17:12.923Z",
  "executiveSummary": "A critical vulnerability has been identified within the NVIDIA Infrastructure Controller for Linux, involving an improper enforcement of behavioral workflows.\nThis flaw allows an attacker to manipulate the expected logical sequence of operations, bypassing established security constraints within the controller's runtime environment.\nSuccessful exploitation of this vulnerability enables unauthorized actors to perform data tampering, trigger denial of service (DoS) conditions, and facilitate unauthorized information disclosure.\nThe vulnerability affects the core management logic of the infrastructure controller, potentially compromising the integrity and availability of the underlying hardware orchestration.\nThe risk profile is significant as it exposes sensitive system workflows to manipulation, allowing attackers to disrupt operational continuity or gain access to restricted data streams.\nExploitation does not explicitly require physical proximity but relies on the ability of the attacker to interact with the controller's behavioral workflow interfaces, necessitating robust access control monitoring to prevent unauthorized logical manipulation.",
  "technicalDetails": "The vulnerability resides within the internal behavioral workflow engine of the NVIDIA Infrastructure Controller for Linux. The root cause is a failure in the validation logic responsible for verifying the state-transition sequences of critical controller tasks. By sending specifically crafted requests or manipulating operational parameters during a workflow transition, an attacker can induce a state mismatch in the controller's behavioral enforcement mechanism.\nIn a standard deployment, the infrastructure controller governs resource allocation and system state management. The behavioral workflow engine serves as a security gatekeeper, ensuring that administrative commands or automated tasks adhere to pre-defined, secure operational boundaries. This vulnerability occurs when the controller fails to properly enforce these boundaries, specifically when transitions bypass or ignore integrity checks intended to prevent out-of-order execution or unauthorized state changes.\nThe attack flow involves the adversary identifying an entry point into the controller's workflow management interface. Once targeted, the attacker submits malformed or asynchronous requests designed to force the controller into an undefined state. Because the enforcement mechanism does not properly validate the context of these requests, the controller continues execution based on the manipulated input rather than the secure workflow model. This allows for the injection of illegitimate commands that would otherwise be blocked.\nPost-exploitation impact is severe due to the privileged nature of the Infrastructure Controller. Data tampering may occur if the attacker can modify critical configuration parameters or data transmitted during the lifecycle of the workflow. Information disclosure is possible if the attacker forces the controller to output internal memory contents or restricted system logs that are inadvertently exposed when the workflow engine enters an error state. Denial of Service occurs when the behavioral workflow is pushed into a circular state or a resource-intensive loop, causing the controller to hang or crash, thereby losing its ability to manage infrastructure resources. The absence of strict input sanitization or stateful verification in the workflow engine provides a significant vector for subverting the intended security posture of the Linux-based NVIDIA environment."
}