---
title: "CVE-2026-90329: Linux Kernel - Use After Free"
description: "Linux kernel contains a use-after-free vulnerability caused by concurrent report callbacks during failed HID device probe cleanup, letting attackers cause memory corruption, exploit requires triggering a failed probe."
url: https://panop.io/threat-heartbeat/CVE-2026-90329/
---

# CVE-2026-90329 Linux Kernel - Use After Free

Linux kernel contains a use-after-free vulnerability caused by concurrent report callbacks during failed HID device probe cleanup, letting attackers cause memory corruption, exploit requires triggering a failed probe.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90329)

## Details

Type

Use After Free

CVSS vector

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

Published

17 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-2026-90329](https://nvd.nist.gov/vuln/detail/CVE-2026-90329)
- [https://git.kernel.org/stable/c/2c35cdeb13a0c52429501e66f368fa59cad235f6](https://git.kernel.org/stable/c/2c35cdeb13a0c52429501e66f368fa59cad235f6)
- [https://git.kernel.org/stable/c/3ffb088a2ed34ca982cfc2c81d107ce370aa45f1](https://git.kernel.org/stable/c/3ffb088a2ed34ca982cfc2c81d107ce370aa45f1)
- [https://git.kernel.org/stable/c/98201b46f7e33fe11af6f024fecb40fb56634225](https://git.kernel.org/stable/c/98201b46f7e33fe11af6f024fecb40fb56634225)
- [https://git.kernel.org/stable/c/9a3da56aae28e1ad3a3e591f72a537742053ecd2](https://git.kernel.org/stable/c/9a3da56aae28e1ad3a3e591f72a537742053ecd2)
- [https://git.kernel.org/stable/c/b85d1000eb8842768970f2fd0a8fd362472d02d5](https://git.kernel.org/stable/c/b85d1000eb8842768970f2fd0a8fd362472d02d5)
- [https://git.kernel.org/stable/c/edd490b8ad85c052eaf10dcc9f390ea54f1e1b39](https://git.kernel.org/stable/c/edd490b8ad85c052eaf10dcc9f390ea54f1e1b39)
- [https://git.kernel.org/stable/c/01eeb601a1626e683fb7b77c63f442b06fb87093](https://git.kernel.org/stable/c/01eeb601a1626e683fb7b77c63f442b06fb87093)
- [https://git.kernel.org/stable/c/207853d46f7ef2e28042344a1468da8754c3ddbf](https://git.kernel.org/stable/c/207853d46f7ef2e28042344a1468da8754c3ddbf)

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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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