---
title: "CVE-2026-89626: Linux Kernel HID Sensor Custom - Resource Cleanup Misconfiguration"
description: "Linux kernel HID sensor custom driver contains a resource cleanup flaw caused by incomplete sysfs group removal on failure in hid_sensor_custom_add_attributes(), letting attackers potentially cause resource leaks or instability, exploit requires kernel interaction with custom sensor fields."
url: https://panop.io/threat-heartbeat/CVE-2026-89626/
---

# CVE-2026-89626 Linux Kernel HID Sensor Custom - Resource Cleanup Misconfiguration

Linux kernel HID sensor custom driver contains a resource cleanup flaw caused by incomplete sysfs group removal on failure in hid\_sensor\_custom\_add\_attributes(), letting attackers potentially cause resource leaks or instability, exploit requires kernel interaction with custom sensor fields.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.35% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89626)

## Details

Type

Resource Cleanup Misconfiguration

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/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.

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-2026-89626](https://nvd.nist.gov/vuln/detail/CVE-2026-89626)
- [https://git.kernel.org/stable/c/2409779f3096fcef41bcf57b5f4887d0fa0dc8dd](https://git.kernel.org/stable/c/2409779f3096fcef41bcf57b5f4887d0fa0dc8dd)
- [https://git.kernel.org/stable/c/416194933af63bd58d03b7605b1ebc1711186838](https://git.kernel.org/stable/c/416194933af63bd58d03b7605b1ebc1711186838)
- [https://git.kernel.org/stable/c/d0e15091e88d18e30b67daf85b88f6528bb9bf41](https://git.kernel.org/stable/c/d0e15091e88d18e30b67daf85b88f6528bb9bf41)
- [https://git.kernel.org/stable/c/3789d0802ddb4b3be04062caf4bfadd23496e9a7](https://git.kernel.org/stable/c/3789d0802ddb4b3be04062caf4bfadd23496e9a7)
- [https://git.kernel.org/stable/c/79154fad98ee843e5363940841e2d831503c190a](https://git.kernel.org/stable/c/79154fad98ee843e5363940841e2d831503c190a)
- [https://git.kernel.org/stable/c/d96f8958d4469ac02d9c563686cdd968005b944d](https://git.kernel.org/stable/c/d96f8958d4469ac02d9c563686cdd968005b944d)
- [https://git.kernel.org/stable/c/f3f37b937a6ea2a00fb5e6189e74f855caa43eb5](https://git.kernel.org/stable/c/f3f37b937a6ea2a00fb5e6189e74f855caa43eb5)
- [https://git.kernel.org/stable/c/10b05fafff932e325896d59dde40938954ab4577](https://git.kernel.org/stable/c/10b05fafff932e325896d59dde40938954ab4577)

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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

Panop answers these inside your environment, for this CVE and every other finding.

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