TI-2025-02578 Aliases CVE-2025-2953 GHSA-3749-ghw9-m3mg

PyTorch torch.mkldnn_max_pool2d denial of service

MEDIUM 55CWE-404Published 2025-03-30 · Updated 2025-04-22

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Low
Fix status: Partial Red Hat: 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-404.

Summary

A vulnerability, which was classified as problematic, has been found in PyTorch 2.6.0+cu124. Affected by this issue is the function torch.mkldnn_max_pool2d. The manipulation leads to denial of service. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The security policy of the project warns to use unknown models which might establish malicious effects.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00261 17th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD and the CNA

Fix Partial torch (PyPI): 2.7.1-rc1Red Hat: 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	PyTorch	2.6.0+cu124	—	No fix listed	CNA
—	torch (PyPI)	before 2.7.1-rc1	2.7.1-rc1	Patch available	GHSA-3749-ghw9-m3mg

PyTorch Vendor— Affected 2.6.0+cu124 Fixed in — No fix listed CNA
torch (PyPI) Vendor— Affected before 2.7.1-rc1 Fixed in 2.7.1-rc1 Patch available GHSA-3749-ghw9-m3mg

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:linuxfoundation:pytorch:2.6.0\+cu124:::::python::	2.6.0+cu124	Vulnerable	backstage

cpe:2.3:a:linuxfoundation:pytorch:2.6.0\+cu124:*:*:*:*:python:*:* Versions 2.6.0+cu124 Vulnerable ·backstage

Remediation

Fix · GHSA-3749-ghw9-m3mg torch (PyPI) Fixed in 2.7.1-rc1 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Product	Status	Plan or fix
OpenShift Lightspeed	Affected	No fix yet: Fix deferred

Not affected: 2 products

Red Hat Enterprise Linux AI (RHEL AI)
Red Hat OpenShift AI (RHOAI)

Timeline

2026-10-02 Threatist record created from CVE-2025-2953
2026-10-03 Alias added: GHSA-3749-ghw9-m3mg

References

Exploit 2

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2025-2953

Other 3

TI-2024-32257 In PyTorch <=2.4.1, the RemoteModule has Deserialization RCE. CVSS 3.1CRITICAL 9.8
TI-2025-35037 A Name Error occurs in pytorch v2.7.0 when a PyTorch model consists of torch.cummin and… CVSS 3.1HIGH 7.5
TI-2025-35034 A syntax error in the component proxy_tensor.py of pytorch v2.7.0 allows attackers to cause a Denial of Service (DoS). CVSS 3.1HIGH 7.5
TI-2025-35033 pytorch v2.8.0 was discovered to display unexpected behavior when the components… CVSS 3.1HIGH 7.5
TI-2025-35032 An issue in the component torch.linalg.lu of pytorch v2.8.0 allows attackers to cause a… CVSS 3.1HIGH 7.5
TI-2025-35038 A buffer overflow occurs in pytorch v2.7.0 when a PyTorch model consists of… CVSS 3.1HIGH 7.5

See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences