LOW 3.3 Microsoft
CVE-2025-4287
PyTorch nccl.py torch.cuda.nccl.reduce denial of service
Microsoft Security Update 2025-May: PyTorch nccl.py torch.cuda.nccl.reduce denial of service
Affected Products
- azl3 pytorch 2.2.2-7 on Azure Linux 3.0
- cbl2 pytorch 2.0.0-9 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-4287
- https://nvd.nist.gov/vuln/detail/CVE-2025-4287
This low severity vulnerability with a CVSS score of 3.3 was published on 2025-05-13 via Microsoft. Affected: azl3 pytorch 2.2.2-7 on Azure Linux 3.0, cbl2 pytorch 2.0.0-9 on CBL Mariner 2.0.
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