Improper resource shutdown or release in PyTorch - CVE-2025-4287
Published: September 26, 2025
Vulnerability identifier: #VU116146
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-4287
CWE-ID: CWE-404
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: pytorch
Affected software:
PyTorch
PyTorch
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in the function torch.cuda.nccl.reduce() of the file torch/cuda/nccl.py. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-4287
Install updates from vendor's website.
Sources
- https://github.com/Divigroup-RAP/PYTORCH/commit/5827d2061dcb4acd05ac5f8e65d8693a481ba0f5
- https://github.com/pytorch/pytorch/issues/150836
- https://github.com/pytorch/pytorch/issues/150836#issue-2979097872
- https://github.com/pytorch/pytorch/pull/150923
- https://vuldb.com/?ctiid.307394
- https://vuldb.com/?id.307394
- https://vuldb.com/?submit.553644