---
title: "CVE-2026-90224: Linux Kernel - Race Condition"
description: "Linux kernel contains a race condition in NFC nci_data_exchange_complete caused by concurrent calls from nci_close_device() and nci_rx_work, letting attackers cause use-after-free and potential denial of service, exploit requires concurrent NFC operations."
url: https://panop.io/threat-heartbeat/CVE-2026-90224/
---

# CVE-2026-90224 Linux Kernel - Race Condition

Linux kernel contains a race condition in NFC nci\_data\_exchange\_complete caused by concurrent calls from nci\_close\_device() and nci\_rx\_work, letting attackers cause use-after-free and potential denial of service, exploit requires concurrent NFC operations.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.36% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90224)

## Details

Type

Race Condition

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:A/AC:H/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 for nci\_data\_exchange\_complete 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-2026-90224](https://nvd.nist.gov/vuln/detail/CVE-2026-90224)
- [https://git.kernel.org/stable/c/cf646a9f5554bc07d6ccb59c327812b3a0c6a368](https://git.kernel.org/stable/c/cf646a9f5554bc07d6ccb59c327812b3a0c6a368)
- [https://git.kernel.org/stable/c/ee08414d78b851e3d1856d6e4d631939b01a1bbe](https://git.kernel.org/stable/c/ee08414d78b851e3d1856d6e4d631939b01a1bbe)
- [https://git.kernel.org/stable/c/3f075832734005310740d148d1cf1c1e792ebdca](https://git.kernel.org/stable/c/3f075832734005310740d148d1cf1c1e792ebdca)
- [https://git.kernel.org/stable/c/588ccd19a6e69eca72d54608c3ab3b45709b2305](https://git.kernel.org/stable/c/588ccd19a6e69eca72d54608c3ab3b45709b2305)
- [https://git.kernel.org/stable/c/8265a626cc14a48e46e6dc8c47667e72b4232ac2](https://git.kernel.org/stable/c/8265a626cc14a48e46e6dc8c47667e72b4232ac2)
- [https://git.kernel.org/stable/c/9030a1bbe2c6b1e3e54cef462d159b5248f09fd2](https://git.kernel.org/stable/c/9030a1bbe2c6b1e3e54cef462d159b5248f09fd2)
- [https://git.kernel.org/stable/c/ba4c776af3dc21ed04e315e6545e99703bb1b53a](https://git.kernel.org/stable/c/ba4c776af3dc21ed04e315e6545e99703bb1b53a)
- [https://git.kernel.org/stable/c/bfdf412208fea7fc0d5b32d68a35b25261917393](https://git.kernel.org/stable/c/bfdf412208fea7fc0d5b32d68a35b25261917393)

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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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