CVE-2026-65112 in Infrastructure Controller
Summary
by MITRE • 09/22/2026
NVIDIA Infrastructure Controller for Linux contains a vulnerability where an attacker could cause uncontrolled resource consumption. A successful exploit of this vulnerability might lead to denial of service.
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Analysis
by VulDB Data Team • 09/22/2026
The NVIDIA Infrastructure Controller for Linux, a critical component in high-performance computing and accelerated data center environments, is susceptible to a flaw that allows for uncontrolled resource consumption. This vulnerability primarily affects the system's ability to manage computational resources efficiently under specific conditions. When an attacker interacts with this controller through its exposed interfaces or APIs, they can trigger operations that do not properly limit the amount of CPU cycles, memory allocation, or network bandwidth consumed by individual processes or requests. The core technical flaw lies in the lack of robust input validation and resource quota enforcement mechanisms within the controller's software logic. This deficiency means that malicious actors can craft specific inputs designed to exhaust system resources without triggering any internal safeguards or rate-limiting protocols.
From a technical perspective, this issue aligns with CWE-400, which describes conditions where an application does not properly control the allocation and maintenance of limited resources, leading to resource exhaustion. The vulnerability enables scenarios where a single request or a series of coordinated requests can cause the system to consume excessive memory or processing power. This is particularly dangerous in environments running NVIDIA's GPU-accelerated workloads, as the infrastructure controller often manages communication between host systems and GPU devices. If these resources are depleted, the entire node may become unresponsive, disrupting not only the vulnerable service but also any dependent applications relying on stable system availability.
The operational impact of this vulnerability is significant, primarily manifesting as a denial-of-service condition. An attacker who successfully exploits this flaw can render the affected NVIDIA Infrastructure Controller unusable for legitimate users and processes. In production environments, such outages can lead to substantial downtime, loss of productivity, and potential data integrity issues if ongoing computations are abruptly terminated without proper cleanup procedures. Furthermore, because these controllers often sit at a critical juncture in the infrastructure stack, their failure can cascade into broader network instability or affect other services hosted on the same physical hardware. This aligns with MITRE ATT&CK technique T1499, Endpoint Denial of Service, where adversaries aim to disrupt availability by consuming resources until the system becomes unresponsive.
Mitigation strategies for this vulnerability should focus on both immediate remediation and long-term architectural improvements. NVIDIA has likely released patches that address the underlying code flaws responsible for the resource exhaustion. Administrators are advised to apply these updates promptly to ensure their systems remain resilient against such attacks. Additionally, implementing network-level rate limiting can help mitigate the impact by restricting the number of requests a single source can make within a given timeframe. Deploying intrusion detection and prevention systems that monitor for anomalous patterns in API usage or resource consumption can also provide an additional layer of defense. Regular security audits and penetration testing should be conducted to identify similar weaknesses in other components of the infrastructure, ensuring a holistic approach to maintaining system integrity and availability.