---
title: "CVE-2025-54567\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-2025-54567?format=md
keywords: index, follow
---

# CVE-2025-54567

Publication date 25 July 2025

Last updated 28 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**4.2 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2025-54567?format=md#impact-score)

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## Description

hw/pci/pcie\_sriov.c in QEMU through 10.0.3 mishandles the VF Enable bit
write mask, a related issue to CVE-2024-26327.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2025-54567?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| qemu | 25.04 plucky | Not affected |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not affected |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2025-54567?format=md#patch-details)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

per Debian introduced by:
https://gitlab.com/qemu-project/qemu/-/commit/5e7dd17e43486f41d4f88dbefd7219f0524f424c
https://gitlab.com/qemu-project/qemu/-/commit/f9efcd47110de43dd841ada5bd1a40ec169eabca

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| qemu | * Upstream:   [cad9aa6](https://gitlab.com/qemu-project/qemu/-/commit/cad9aa6fbdccd95e56e10cfa57c354a20a333717) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

4.2 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Adjacent |
  | Attack complexity | High |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | None |
  | Integrity impact | Low |
  | Availability impact | Low |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 4.2 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-54567)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-54567)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-54567)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2025-54567)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2025-54567>
* <https://lore.kernel.org/qemu-devel/20250713-wmask-v1-1-4c744cdb32c0@rsg.ci.i.u-tokyo.ac.jp/>