CVE-2025-4287CWE-404

PyTorch nccl.py torch.cuda.nccl.reduce denial of service

Medium · published May 5, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
8.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
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
EPSS
0.00189 · 8.1th percentile
Weakness
CWE-404 · Improper Resource Shutdown or Release
Published
2025-05-05T20:00Z
EPSS history
Timeline
  • 05 MAY 20:00Z
    PyTorch nccl.py torch.cuda.nccl.reduce denial of service
    cvelistv5