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CVE-2025-46707: CWE - CWE-668: Exposure of Resource to Wrong Sphere in Imagination Technologies Graphics DDK

Medium
VulnerabilityCVE-2025-46707cvecve-2025-46707cwe-668
Published: Fri Jun 27 2025 (06/27/2025, 16:53:44 UTC)
Source: CVE Database V5
Vendor/Project: Imagination Technologies
Product: Graphics DDK

Description

Software installed and running inside a Guest VM may override Firmware's state and gain access to the GPU.

AI-Powered Analysis

AILast updated: 07/02/2025, 14:55:10 UTC

Technical Analysis

CVE-2025-46707 is a medium-severity vulnerability (CVSS 5.2) affecting Imagination Technologies' Graphics Device Driver Kit (DDK) versions 1.15 RTM, 1.17 RTM, 1.18 RTM, and 23.2 RTM1. The vulnerability is categorized under CWE-668, which relates to the exposure of resources to an incorrect sphere, meaning that software running inside a guest virtual machine (VM) can improperly override the firmware's state and gain unauthorized access to the GPU hardware. This flaw arises from insufficient isolation between the guest VM environment and the underlying firmware controlling the GPU, allowing a lower-privileged guest VM process to manipulate or access GPU resources beyond its intended scope. The vulnerability requires low privileges (PR:L) and no user interaction (UI:N) but has a local attack vector (AV:L), meaning the attacker must have some level of access within the guest VM. The scope is changed (S:C), indicating that the vulnerability affects resources beyond the initially compromised component, potentially impacting the host or other VMs sharing the GPU. The impact includes limited confidentiality and integrity loss (C:L/I:L) but no availability impact (A:N). Although no known exploits are currently in the wild and no patches have been published yet, the vulnerability poses a risk in virtualized environments where GPU resources are shared or passed through to guest VMs, such as in cloud or enterprise virtualization setups. Attackers exploiting this flaw could potentially access sensitive GPU data or manipulate GPU operations, undermining the security boundaries between virtual machines and the host firmware.

Potential Impact

For European organizations, especially those relying on virtualized infrastructure with GPU passthrough or shared GPU resources—such as cloud service providers, research institutions, and enterprises using GPU-accelerated workloads—this vulnerability could lead to unauthorized access to GPU resources from within guest VMs. This may result in leakage of sensitive graphical or computational data, compromise of integrity of GPU operations, or potential lateral movement within virtualized environments. While the confidentiality and integrity impact is limited, the breach of isolation boundaries can undermine trust in multi-tenant environments and may facilitate further attacks. Organizations in sectors like finance, healthcare, and critical infrastructure that use GPU-accelerated virtual machines for data processing or AI workloads could be particularly concerned. The lack of availability impact reduces the risk of service disruption, but the potential for data exposure and integrity compromise remains significant in sensitive contexts.

Mitigation Recommendations

Given the absence of published patches, European organizations should implement the following specific mitigations: 1) Restrict GPU passthrough or sharing to only trusted and fully controlled guest VMs, minimizing exposure to untrusted or less secure tenants. 2) Employ strict access controls and monitoring on virtualized environments to detect anomalous GPU usage or firmware state changes. 3) Use hypervisor-level security features to enforce stronger isolation between guest VMs and host firmware, such as updated virtualization extensions or firmware validation mechanisms. 4) Coordinate with Imagination Technologies for timely patch deployment once available and prioritize updating affected Graphics DDK versions. 5) Consider disabling GPU passthrough in high-risk environments until a fix is applied. 6) Conduct regular security audits and penetration testing focusing on GPU virtualization components to identify potential exploitation attempts. 7) Maintain up-to-date inventory of affected software versions across the organization to ensure rapid response.

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Technical Details

Data Version
5.1
Assigner Short Name
imaginationtech
Date Reserved
2025-04-28T18:57:24.837Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 686544a26f40f0eb7292f616

Added to database: 7/2/2025, 2:39:30 PM

Last enriched: 7/2/2025, 2:55:10 PM

Last updated: 7/14/2025, 7:06:42 PM

Views: 15

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