---
id: CVE-2023-53185
title: 'wifi: ath9k: don''t allow to overwrite ENDPOINT0 attributes'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes

  A bad USB device is able to construct a service connection response
  message with target endpoint being ENDPO…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    db8df00cd6d801b3abdb145201c2bdd1c665f585
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    9e3031eea2d45918dc44cbfc6a6029e82882916f
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    4dc3560561a08842b4a4c07ccc5a90e5067dbb5b
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    1044187e7249073f719ebbf9e5ffb4f16f99e555
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    95b4b940f0fb2873dcedad81699e869eb7581c85
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    09740fa9827cfbaf23ecd041e602a426f99be888
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    6a444dffb75238c47d2d852f12cf53f12ad2cba8
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    be2a546c30fe8d72efa032bee612363bb75314bd
  - >-
    Linux >= fb9987d0f748c983bb795a86f47522313f701a08 <
    061b0cb9327b80d7a0f63a33e7c3e2a91a71f142
  - Linux 2.6.35
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:19:39.847064Z'
published: '2025-09-15'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:21:06.403Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-53185'
references:
  - url: 'https://git.kernel.org/stable/c/db8df00cd6d801b3abdb145201c2bdd1c665f585'
  - url: 'https://git.kernel.org/stable/c/9e3031eea2d45918dc44cbfc6a6029e82882916f'
  - url: 'https://git.kernel.org/stable/c/4dc3560561a08842b4a4c07ccc5a90e5067dbb5b'
  - url: 'https://git.kernel.org/stable/c/1044187e7249073f719ebbf9e5ffb4f16f99e555'
  - url: 'https://git.kernel.org/stable/c/95b4b940f0fb2873dcedad81699e869eb7581c85'
  - url: 'https://git.kernel.org/stable/c/09740fa9827cfbaf23ecd041e602a426f99be888'
  - url: 'https://git.kernel.org/stable/c/6a444dffb75238c47d2d852f12cf53f12ad2cba8'
  - url: 'https://git.kernel.org/stable/c/be2a546c30fe8d72efa032bee612363bb75314bd'
  - url: 'https://git.kernel.org/stable/c/061b0cb9327b80d7a0f63a33e7c3e2a91a71f142'
tags:
  - cve.org
epss: 0.00163
epssPercentile: 0.05561
ingestedAt: '2026-11-05T22:38:31.784Z'
---

## Overview

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

wifi: ath9k: don't allow to overwrite ENDPOINT0 attributes

A bad USB device is able to construct a service connection response
message with target endpoint being ENDPOINT0 which is reserved for
HTC_CTRL_RSVD_SVC and should not be modified to be used for any other
services.

Reject such service connection responses.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

## Affected

- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < db8df00cd6d801b3abdb145201c2bdd1c665f585`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 9e3031eea2d45918dc44cbfc6a6029e82882916f`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 4dc3560561a08842b4a4c07ccc5a90e5067dbb5b`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 1044187e7249073f719ebbf9e5ffb4f16f99e555`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 95b4b940f0fb2873dcedad81699e869eb7581c85`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 09740fa9827cfbaf23ecd041e602a426f99be888`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 6a444dffb75238c47d2d852f12cf53f12ad2cba8`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < be2a546c30fe8d72efa032bee612363bb75314bd`
- `Linux >= fb9987d0f748c983bb795a86f47522313f701a08 < 061b0cb9327b80d7a0f63a33e7c3e2a91a71f142`
- `Linux 2.6.35`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.