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CVE-2025-23266: CWE-426: Untrusted Search Path in NVIDIA Container Toolkit

Critical
VulnerabilityCVE-2025-23266cvecve-2025-23266cwe-426
Published: Thu Jul 17 2025 (07/17/2025, 19:08:21 UTC)
Source: CVE Database V5
Vendor/Project: NVIDIA
Product: Container Toolkit

Description

NVIDIA Container Toolkit for all platforms contains a vulnerability in some hooks used to initialize the container, where an attacker could execute arbitrary code with elevated permissions. A successful exploit of this vulnerability might lead to escalation of privileges, data tampering, information disclosure, and denial of service.

AI-Powered Analysis

AILast updated: 08/17/2025, 00:34:45 UTC

Technical Analysis

CVE-2025-23266 is a critical security vulnerability identified in the NVIDIA Container Toolkit, affecting all platforms and versions up to and including 1.17.7 (with CDI mode affected in versions prior to 1.17.5) and the NVIDIA GPU Operator up to and including version 25.3.0 (CDI mode prior to 25.3.0). The vulnerability is classified under CWE-426, which pertains to an Untrusted Search Path. This means that during the initialization of containers, certain hooks used by the NVIDIA Container Toolkit improperly handle the search path for executables or libraries, allowing an attacker to influence which binaries or scripts are executed. Exploiting this flaw, an attacker with limited privileges (low privileges but authenticated) can execute arbitrary code with elevated permissions inside the container environment. The vulnerability has a CVSS v3.1 score of 9.0, indicating critical severity, with the vector showing that the attack requires adjacent network access (AV:A), low attack complexity (AC:L), low privileges (PR:L), no user interaction (UI:N), and impacts confidentiality, integrity, and availability at a high level (C:H/I:H/A:H). The scope is changed (S:C), meaning the vulnerability affects resources beyond the initially vulnerable component. Successful exploitation can lead to privilege escalation, data tampering, information disclosure, and denial of service within containerized environments that utilize NVIDIA GPUs. Given the widespread use of NVIDIA Container Toolkit and GPU Operator in cloud-native, AI, and HPC workloads, this vulnerability poses a significant risk to environments relying on GPU acceleration within containers. No known exploits are reported in the wild yet, but the critical severity and ease of exploitation warrant immediate attention.

Potential Impact

European organizations leveraging NVIDIA GPU-accelerated containerized applications—especially in sectors such as research, artificial intelligence, high-performance computing, and cloud services—face substantial risks from this vulnerability. The ability for an attacker to escalate privileges and execute arbitrary code within containers can compromise sensitive data, disrupt critical workloads, and potentially allow lateral movement within enterprise networks. Given the high confidentiality, integrity, and availability impacts, organizations may experience data breaches, manipulation of AI model outputs, or service outages. This is particularly concerning for industries with strict data protection regulations like GDPR, where data tampering or leakage could lead to severe legal and financial consequences. Additionally, the vulnerability could be exploited in multi-tenant cloud environments common in Europe, affecting multiple customers sharing GPU resources. The lack of user interaction and low complexity of attack further increase the threat level, making automated or wormable attacks plausible if combined with other vulnerabilities.

Mitigation Recommendations

To mitigate CVE-2025-23266, European organizations should: 1) Immediately identify and inventory all deployments using NVIDIA Container Toolkit and GPU Operator, focusing on versions up to 1.17.7 and 25.3.0 respectively, especially those using CDI mode. 2) Apply patches or updates as soon as NVIDIA releases fixed versions; monitor NVIDIA security advisories closely. 3) Until patches are available, restrict access to container initialization hooks and limit the use of untrusted directories in the container search path by enforcing strict path validation and environment sanitization. 4) Implement container runtime security best practices such as running containers with the least privileges, using user namespaces, and employing container security tools that can detect anomalous behavior or unauthorized code execution. 5) Harden host systems by restricting access to GPU devices and container management interfaces to trusted administrators only. 6) Monitor logs and network traffic for unusual activities indicative of exploitation attempts, especially in environments with adjacent network access. 7) Employ network segmentation to isolate GPU-enabled container workloads from less trusted network segments. 8) Conduct regular security assessments and penetration tests targeting container environments to detect potential exploitation paths related to untrusted search paths.

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Technical Details

Data Version
5.1
Assigner Short Name
nvidia
Date Reserved
2025-01-14T01:06:23.291Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 68794c09a83201eaace85092

Added to database: 7/17/2025, 7:16:25 PM

Last enriched: 8/17/2025, 12:34:45 AM

Last updated: 8/19/2025, 12:34:27 AM

Views: 80

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