---
title: "CVE-2026-90371: Linux Kernel mt76 - Race Condition"
description: "Linux kernel contains a race condition in mt76 wifi driver caused by improper RXDMAD_C buffer recycling from RRO data queues' page pools, letting attackers cause denial of service, exploit requires triggering network traffic."
url: https://panop.io/threat-heartbeat/CVE-2026-90371/
---

# CVE-2026-90371 Linux Kernel mt76 - Race Condition

Linux kernel contains a race condition in mt76 wifi driver caused by improper RXDMAD\_C buffer recycling from RRO data queues' page pools, letting attackers cause denial of service, exploit requires triggering network traffic.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.38% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90371)

## Details

Type

Race Condition

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

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-2026-90371](https://nvd.nist.gov/vuln/detail/CVE-2026-90371)
- [https://git.kernel.org/stable/c/e1f97c10a4ec2b9db69a134b757304399ca903ce](https://git.kernel.org/stable/c/e1f97c10a4ec2b9db69a134b757304399ca903ce)
- [https://git.kernel.org/stable/c/7ac05ed3a50e511c93f8506e555709a208dfce0a](https://git.kernel.org/stable/c/7ac05ed3a50e511c93f8506e555709a208dfce0a)
- [https://git.kernel.org/stable/c/a273dc3b86a7d983d643827d3d3c795d55d8f632](https://git.kernel.org/stable/c/a273dc3b86a7d983d643827d3d3c795d55d8f632)

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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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