---
title: "CVE-2026-89624: Linux Kernel HID universal_pidff - Use After Free"
description: "Linux kernel HID universal_pidff contains a use-after-free vulnerability caused by not stopping the device when force-feedback initialization fails, letting attackers cause memory corruption, exploit requires a device with PID usage page and no input reports."
url: https://panop.io/threat-heartbeat/CVE-2026-89624/
---

# CVE-2026-89624 Linux Kernel HID universal\_pidff - Use After Free

Linux kernel HID universal\_pidff contains a use-after-free vulnerability caused by not stopping the device when force-feedback initialization fails, letting attackers cause memory corruption, exploit requires a device with PID usage page and no input reports.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.17% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89624)

## Details

Type

Use After Free

CVSS vector

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

Published

11 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for this issue.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89624](https://nvd.nist.gov/vuln/detail/CVE-2026-89624)
- [https://git.kernel.org/stable/c/01d9874e84d3ab78fd212ad822412eb3af84497f](https://git.kernel.org/stable/c/01d9874e84d3ab78fd212ad822412eb3af84497f)
- [https://git.kernel.org/stable/c/c457bb516b61edeab940235a011928e26925381e](https://git.kernel.org/stable/c/c457bb516b61edeab940235a011928e26925381e)
- [https://git.kernel.org/stable/c/ce08c5555cabcd444d8b77fa69a7cb68bb05f611](https://git.kernel.org/stable/c/ce08c5555cabcd444d8b77fa69a7cb68bb05f611)
- [https://git.kernel.org/stable/c/519fa26695b02870022fcdc651efb3d379abe54e](https://git.kernel.org/stable/c/519fa26695b02870022fcdc651efb3d379abe54e)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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