CVE-2025-63396 — Improper Locking in Pytorch

CWE-667 — Improper LockingCWE-772 — Missing Release of Resource after Effective Lifetime5 documents5 sources
Severity
3.3LOWNVD
EPSS
0.0%
top 93.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Linuxfoundation PytorchDebian Pytorch
Timeline
PublishedNov 12

Description

An issue was discovered in PyTorch v2.5 and v2.7.1. Omission of profiler.stop() can cause torch.profiler.profile (PythonTracer) to crash or hang during finalization, leading to a Denial of Service (DoS).

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LExploitability: 1.8 | Impact: 1.4

Affected Packages2 packages

▶NVDlinuxfoundation/pytorch2.5.0, 2.7.1+1

🔴Vulnerability Details

2
GHSA
GHSA-3w6q-rqw9-h6qx: An issue was discovered in PyTorch v2↗2025-11-12
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OSV
CVE-2025-63396: An issue was discovered in PyTorch v2↗2025-11-12
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📋Vendor Advisories

2
Red Hat
pytorch: PyTorch denial of service↗2025-11-12
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Debian
CVE-2025-63396: pytorch - An issue was discovered in PyTorch v2.5 and v2.7.1. Omission of profiler.stop() ...↗2025
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