---
id: CVE-2024-26666
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: mac80211: fix RCU use in TDLS fast-xmit

  This looks up the link under RCU protection, but isn't
  guaranteed to actually have protection
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: mac80211: fix RCU use in TDLS fast-xmit

  This looks up the link under RCU protection, but isn't
  guaranteed to actually have protection. Fix that.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H'
vendor: linux
product: linux_kernel
affected:
  - 'linux_kernel >= 6.5, < 6.6.17'
  - 'linux_kernel >= 6.7, < 6.7.5'
  - linux_kernel = 6.8
patched:
  - linux_kernel 6.7.5
published: '2024-04-02'
updated: '2026-08-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-26666'
references:
  - url: 'https://git.kernel.org/stable/c/9480adfe4e0f0319b9da04b44e4eebd5ad07e0cd'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c255c3b653c6e8b52ac658c305e2fece2825f7ad'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/fc3432ae8232ff4025e7c55012dd88db0e3d18eb'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/9480adfe4e0f0319b9da04b44e4eebd5ad07e0cd'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/c255c3b653c6e8b52ac658c305e2fece2825f7ad'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://git.kernel.org/stable/c/fc3432ae8232ff4025e7c55012dd88db0e3d18eb'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00332
epssPercentile: 0.23695
ingestedAt: '2026-08-05T10:46:47.895Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

wifi: mac80211: fix RCU use in TDLS fast-xmit

This looks up the link under RCU protection, but isn't
guaranteed to actually have protection. Fix that.

## Affected

- `linux_kernel >= 6.5, < 6.6.17`
- `linux_kernel >= 6.7, < 6.7.5`
- `linux_kernel = 6.8`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.7.5`