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CVE-2025-33248

Quick assessment

Affected
NVIDIA Megatron LM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NVIDIA Megatron-LM是美国英伟达（NVIDIA）公司的一个基于PyTorch 的分布式训练框架，专门用于训练大型Transformer语言模型。 NVIDIA Megatron-LM存在代码问题漏洞，该漏洞源于混合转换脚本存在远程代码执行漏洞，可能导致代码执行、权限提升、信息泄露和数据篡改。

CVSS 7.8 · High EPSS 0.21% · P11
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I. Basic Information for CVE-2025-33248

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
NVIDIA Megatron-LM contains a vulnerability in the hybrid conversion script where an Attacker may cause an RCE by convincing a user to load a maliciously crafted file. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
NVIDIA Megatron-LM 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NVIDIA Megatron-LM是美国英伟达（NVIDIA）公司的一个基于PyTorch 的分布式训练框架，专门用于训练大型Transformer语言模型。 NVIDIA Megatron-LM存在代码问题漏洞，该漏洞源于混合转换脚本存在远程代码执行漏洞，可能导致代码执行、权限提升、信息泄露和数据篡改。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NVIDIA Megatron LM All versions prior to 0.15.3 -

II. Public POCs for CVE-2025-33248

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III. Intelligence Information for CVE-2025-33248

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Vendor Advisories for CVE-2025-33248 (3)

Same Patch Batch · NVIDIA · 2026-03-24 · 15 CVEs total

CVE-2025-33244 9.0 CRITICAL NVIDIA Apex 代码问题漏洞
CVE-2025-33247 7.8 HIGH NVIDIA Megatron LM 代码问题漏洞
CVE-2026-24150 7.8 HIGH NVIDIA Megatron-LM 代码问题漏洞
CVE-2026-24151 7.8 HIGH NVIDIA Megatron-LM 代码问题漏洞
CVE-2026-24152 7.8 HIGH NVIDIA Megatron-LM 代码问题漏洞
CVE-2026-24141 7.8 HIGH NVIDIA Model Optimizer 代码问题漏洞
CVE-2026-24157 7.8 HIGH NVIDIA Nemo Framework 代码问题漏洞
CVE-2026-24159 7.8 HIGH NVIDIA Nemo Framework 代码问题漏洞
CVE-2025-33238 7.5 HIGH NVIDIA Triton Inference Server 竞争条件问题漏洞
CVE-2025-33254 7.5 HIGH NVIDIA Triton Inference Server 竞争条件问题漏洞
CVE-2026-24158 7.5 HIGH NVIDIA Triton Inference Server 安全漏洞
CVE-2025-33215 6.8 MEDIUM NVIDIA SNAP-4 Container 安全漏洞
CVE-2025-33216 6.8 MEDIUM NVIDIA SNAP-4 Container 安全漏洞
CVE-2025-33242 5.9 MEDIUM NVIDIA B300 MCU 安全漏洞

IV. Related Vulnerabilities

Same product: Megatron LM
Same vendor: NVIDIA
Same weakness: CWE-502

V. Comments for CVE-2025-33248

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