---
id: CVE-2026-23302
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: annotate data-races around sk->sk_{data_ready,write_space}

  skmsg (and probably other layers) are changing these pointers
  while other cpus might read them concurre…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  net: annotate data-races around sk->sk_{data_ready,write_space}

  skmsg (and probably other layers) are changing these pointers
  while other cpus might read them concurre…
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-362
vendor: linux
product: linux_kernel
affected:
  - 'linux_kernel >= 4.20, < 6.6.136'
  - 'linux_kernel >= 6.7, < 6.12.82'
  - 'linux_kernel >= 6.13, < 6.18.17'
  - 'linux_kernel >= 6.19, < 6.19.7'
  - linux_kernel = 7.0
patched:
  - linux_kernel 6.19.7
published: '2026-03-25'
updated: '2026-07-04'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-23302'
references:
  - url: 'https://git.kernel.org/stable/c/279f2b67d1c44ee139bd3fdb221850daa9358449'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/27fccdbcbbfc4651b6f66756e6fa3f52e051ec23'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/2ef2b20cf4e04ac8a6ba68493f8780776ff84300'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/7ad01905831c815520f1b0486336a03bb7420465'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c494448bb522bbbb63096540eb2319101a0480ab'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/f17c1c4acbe2bd702abce73a847a04a196fab2c5'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00089
epssPercentile: 0.00408
ingestedAt: '2026-07-04T12:56:09.341Z'
---

## Overview

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

net: annotate data-races around sk->sk_{data_ready,write_space}

skmsg (and probably other layers) are changing these pointers
while other cpus might read them concurrently.

Add corresponding READ_ONCE()/WRITE_ONCE() annotations
for UDP, TCP and AF_UNIX.

## Affected

- `linux_kernel >= 4.20, < 6.6.136`
- `linux_kernel >= 6.7, < 6.12.82`
- `linux_kernel >= 6.13, < 6.18.17`
- `linux_kernel >= 6.19, < 6.19.7`
- `linux_kernel = 7.0`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.19.7`