p PatchFirst

CVE-2025-4287

CVE-2025-4287 · PyTorch nccl.py torch.cuda.nccl.reduce denial of service

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 4.8 · Medium · EPSS 0.2%

Published
Updated

Stack: system

Affected products and versions

  • pytorch

    Versions
    • 2.6.0+cu124: Affected

    No fix published

  • pytorch Debian:12

    Versions
    • 1.13.1+dfsg-4
    • 1.13.1+dfsg-5
    • 2.0.1+dfsg-1
    • 2.0.1+dfsg-1~exp1
    • 2.0.1+dfsg-2
    • 2.0.1+dfsg-4
    • 2.0.1+dfsg-5
    • 2.1.2+dfsg-1
    • 2.1.2+dfsg-2
    • 2.1.2+dfsg-4
    • 2.12.0+dfsg2-1
    • 2.12.0+dfsg2-1~exp1
    • 2.12.0+dfsg2-1~exp2
    • 2.12.0+dfsg2-2
    • 2.12.0+dfsg2-3
    • 2.12.0+dfsg2-4
    • 2.12.1+dfsg-1
    • 2.4.1-1
    • 2.4.1-3
    • 2.4.1-4
    • 2.5.0+dfsg-1
    • 2.5.1+dfsg-1
    • 2.5.1+dfsg-3
    • 2.5.1+dfsg-4
    • 2.6.0+dfsg-1
    • 2.6.0+dfsg-1~exp1
    • 2.6.0+dfsg-2
    • 2.6.0+dfsg-3
    • 2.6.0+dfsg-4
    • 2.6.0+dfsg-5
    • 2.6.0+dfsg-7
    • 2.6.0+dfsg-8
    • 2.6.0+dfsg-9
    • 2.6.0~rc9+dfsg-1~exp1
    • 2.9.0+dfsg-1~exp1
    • 2.9.0+dfsg-1~exp2
    • 2.9.1+dfsg-1~exp1
    • 2.9.1+dfsg-1~exp2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pytorch Debian:13

    Versions
    • 2.12.0+dfsg2-1
    • 2.12.0+dfsg2-1~exp1
    • 2.12.0+dfsg2-1~exp2
    • 2.12.0+dfsg2-2
    • 2.12.0+dfsg2-3
    • 2.12.0+dfsg2-4
    • 2.12.1+dfsg-1
    • 2.6.0+dfsg-7
    • 2.6.0+dfsg-8
    • 2.6.0+dfsg-9
    • 2.9.0+dfsg-1~exp1
    • 2.9.0+dfsg-1~exp2
    • 2.9.1+dfsg-1~exp1
    • 2.9.1+dfsg-1~exp2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pytorch Debian:14

    Versions
    • 2.12.0+dfsg2-1
    • 2.12.0+dfsg2-1~exp1
    • 2.12.0+dfsg2-1~exp2
    • 2.12.0+dfsg2-2
    • 2.12.0+dfsg2-3
    • 2.12.0+dfsg2-4
    • 2.12.1+dfsg-1
    • 2.6.0+dfsg-7
    • 2.6.0+dfsg-8
    • 2.6.0+dfsg-9
    • 2.9.0+dfsg-1~exp1
    • 2.9.0+dfsg-1~exp2
    • 2.9.1+dfsg-1~exp1
    • 2.9.1+dfsg-1~exp2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pytorch Ubuntu:22.04:LTS

    Versions
    • 1.7.1-7
    • 1.8.1-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pytorch Ubuntu:25.10

    Versions
    • 2.6.0+dfsg-5build1
    • 2.6.0+dfsg-7
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pytorch Ubuntu:26.10

    Versions
    • 2.9.1+dfsg-1~exp1ubuntu2
    • 2.12.1+dfsg-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • pytorch Ubuntu:26.04:LTS

    Versions
    • 2.6.0+dfsg-7
    • 2.6.0+dfsg-9
    • 2.9.1+dfsg-1~exp1ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

Check your server →