PyTorch nccl.py torch.cuda.nccl.reduce denial of service
Vulnerability Description
A vulnerability was found in PyTorch 2.6.0+cu124. It has been rated as problematic. Affected by this issue is the function torch.cuda.nccl.reduce of the file torch/cuda/nccl.py. The manipulation leads to denial of service. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The patch is identified as 5827d2061dcb4acd05ac5f8e65d8693a481ba0f5. It is recommended to apply a patch to fix this issue.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-4287
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Default436352 (VulDB User)
References
- https://vuldb.com/?id.307394
- https://vuldb.com/?ctiid.307394
- https://vuldb.com/?submit.553644
- https://github.com/pytorch/pytorch/issues/150836
- https://github.com/pytorch/pytorch/pull/150923
- https://github.com/pytorch/pytorch/issues/150836#issue-2979097872
- https://github.com/Divigroup-RAP/PYTORCH/commit/5827d2061dcb4acd05ac5f8e65d8693a481ba0f5
