---
title: "CVE-2025-2953\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2025-2953?format=md
keywords: index, follow
---

# CVE-2025-2953

Publication date 30 March 2025

Last updated 10 July 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**3.3 · Low**

[Score breakdown](https://ubuntu.com/security/CVE-2025-2953?format=md#impact-score)

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## Description

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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| pytorch | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.10 oracular | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:

CVSS v4.0

[CVSS v4.0](https://ubuntu.com/security/CVE-2025-2953?format=md)
[CVSS v3.0](https://ubuntu.com/security/CVE-2025-2953?format=md)

**Base score**

4.8 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Attack requirements | None |
  | Privileges required | Low |
  | User interaction | None |
  | Vulnerable system - Confidentiality impact | None |
  | Vulnerable system - Integrity impact | None |
  | Vulnerable system - Availability impact | Low |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | None |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.8 · Medium |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-2953)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-2953)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-2953)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2025-2953)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2025-2953>
* <https://github.com/pytorch/pytorch/issues/149274>
* <https://github.com/pytorch/pytorch/issues/149274#issue-2923122269>
* <https://vuldb.com/?ctiid.302006>
* <https://vuldb.com/?id.302006>
* <https://vuldb.com/?submit.521279>