---
title: "CVE-2026-90001: Linux Kernel - Race Condition"
description: "Linux kernel contains a race condition in HID bpf device reference release caused by unsynchronized access in struct_ops destroy path, letting concurrent paths double-free device references, exploit requires concurrent device destruction and BPF link release."
url: https://panop.io/threat-heartbeat/CVE-2026-90001/
---

# CVE-2026-90001 Linux Kernel - Race Condition

Linux kernel contains a race condition in HID bpf device reference release caused by unsynchronized access in struct\_ops destroy path, letting concurrent paths double-free device references, exploit requires concurrent device destruction and BPF link release.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.18% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90001)

## Details

Type

Race Condition

Impact

Denial Of Service, Remote Code Execution

CVSS vector

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

Published

16 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for HID bpf device reference release race condition.

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-2026-90001](https://nvd.nist.gov/vuln/detail/CVE-2026-90001)
- [https://git.kernel.org/stable/c/bfb7939788f3c8dd080a4dd81e38d625b35d194e](https://git.kernel.org/stable/c/bfb7939788f3c8dd080a4dd81e38d625b35d194e)
- [https://git.kernel.org/stable/c/c7f927aa8b55008ed5ea0814313d5dad771dcf3c](https://git.kernel.org/stable/c/c7f927aa8b55008ed5ea0814313d5dad771dcf3c)
- [https://git.kernel.org/stable/c/401359684620145be710de97b87e1a47abfe1459](https://git.kernel.org/stable/c/401359684620145be710de97b87e1a47abfe1459)
- [https://git.kernel.org/stable/c/9cdc7e6dc7a99ad7311ad5e7c145f2b9ce4e24b0](https://git.kernel.org/stable/c/9cdc7e6dc7a99ad7311ad5e7c145f2b9ce4e24b0)

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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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