CVE-2025-23245 in vGPU Software
Summary
by MITRE • 05/01/2025
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where it allows a guest to access global resources. A successful exploit of this vulnerability might lead to denial of service.
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Analysis
by VulDB Data Team • 05/02/2025
The vulnerability identified as CVE-2025-23245 resides within NVIDIA's vGPU software implementation for both Windows and Linux operating systems, specifically within the Virtual GPU Manager component also known as the vGPU plugin. This flaw represents a critical security weakness that undermines the fundamental isolation principles that govern virtualized GPU environments. The vulnerability manifests through improper resource management where guest virtual machines can potentially access global resources that should remain restricted to the host system or other isolated virtual environments. Such a breach in resource isolation constitutes a significant compromise of the virtualization security model that NVIDIA vGPU software is designed to maintain.
The technical nature of this vulnerability aligns with CWE-264, which addresses permissions, privileges, and access controls within software systems. The flaw enables unauthorized access to global resources through the vGPU plugin component, allowing guest virtual machines to potentially manipulate or consume resources that should be restricted to the host or other virtual environments. This type of resource access violation creates an attack surface where malicious actors could exploit the privilege escalation capabilities to gain unauthorized access to system resources, potentially leading to information disclosure or system instability. The vulnerability specifically affects the Virtual GPU Manager which serves as the critical interface between the host system and guest virtual machines, making it a prime target for exploitation.
From an operational perspective, successful exploitation of this vulnerability could result in denial of service conditions that severely impact the availability of virtualized GPU resources. The guest virtual machine could potentially consume excessive system resources, corrupt shared memory segments, or interfere with other virtual environments running on the same physical host. This denial of service scenario could cascade across multiple virtual machines, potentially affecting the entire virtualized infrastructure that relies on NVIDIA vGPU technology. The impact extends beyond individual virtual machines to compromise the overall stability and performance of the virtualized environment, potentially leading to service disruption for multiple users or applications.
The mitigation strategies for CVE-2025-23245 should prioritize immediate patch deployment from NVIDIA, as the vulnerability directly impacts the core functionality of their virtual GPU implementation. Organizations should implement network segmentation and access controls to limit the exposure of vGPU environments to untrusted networks. Additionally, monitoring systems should be enhanced to detect anomalous resource consumption patterns that might indicate exploitation attempts. The vulnerability also highlights the importance of maintaining updated virtualization security controls and implementing proper resource isolation measures that align with the principle of least privilege. Security teams should conduct comprehensive assessments of their vGPU environments to identify any potential exploitation vectors and implement layered defense mechanisms to protect against similar vulnerabilities in the future.