CVE-2025-23285 in GPU Display Driver
Summary
by MITRE • 08/03/2025
NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, 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 • 08/05/2025
The vulnerability identified as CVE-2025-23285 resides within NVIDIA vGPU software's Virtual GPU Manager component, representing a critical security flaw that undermines the fundamental isolation principles of virtualized graphics environments. This issue manifests as an improper access control mechanism that permits guest virtual machines to bypass intended resource boundaries and gain unauthorized access to global system resources. The vulnerability directly impacts the security model of NVIDIA's virtual GPU implementation, where guest operating systems should remain strictly separated from host resources and other virtual environments. The flaw essentially creates a pathway for privilege escalation or resource manipulation that violates the core tenets of virtualization security.
The technical implementation of this vulnerability stems from inadequate resource management within the Virtual GPU Manager, where access controls fail to properly enforce resource boundaries between guest and host environments. When a guest virtual machine attempts to access global resources, the system fails to validate these requests appropriately, allowing unauthorized access to shared resources that should remain isolated. This flaw operates at the hypervisor level where virtual GPU management occurs, potentially enabling attackers to manipulate shared graphics memory, interrupt handlers, or other critical system resources. The vulnerability's impact is particularly concerning because it operates at a low level within the virtualization stack, making detection and prevention more challenging for system administrators and security teams.
The operational consequences of this vulnerability extend beyond simple denial of service conditions, potentially enabling more sophisticated attacks that could compromise entire virtualized environments. A successful exploitation could allow an attacker to disrupt graphics services, corrupt shared memory spaces, or even escalate privileges to gain broader access to the underlying host system. The denial of service aspect represents the most immediate risk, as it could render virtualized graphics environments unusable and impact business operations that depend on GPU-accelerated applications. From an attack perspective, this vulnerability aligns with the attack pattern described in the ATT&CK framework under privilege escalation and defense evasion techniques, where attackers exploit virtualization weaknesses to maintain persistence or expand their access within the compromised environment.
Organizations utilizing NVIDIA vGPU software must implement immediate mitigations to address this vulnerability, including applying available patches from NVIDIA and reviewing virtualization security configurations. The mitigation strategy should focus on reinforcing access controls and implementing additional monitoring for unauthorized resource access attempts. Security teams should also consider isolating virtualized graphics environments more strictly and implementing network segmentation to limit the potential impact of exploitation. This vulnerability demonstrates the importance of maintaining up-to-date virtualization security measures and highlights the need for continuous security assessments of hypervisor components. The issue also relates to CWE-284 which describes improper access control, and represents a significant risk to organizations relying on virtualized GPU environments for compute-intensive applications and services.