---
id: CVE-2022-4662
title: >-
  A flaw incorrect access control in the Linux kernel USB core subsystem was
  found in the way user attaches usb device
summary: >-
  A flaw incorrect access control in the Linux kernel USB core subsystem was
  found in the way user attaches usb device. A local user could use this flaw to
  crash the system.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-455
vendor: linux
product: linux_kernel
affected:
  - linux_kernel < 6.0
  - linux_kernel = 6.0
patched:
  - linux_kernel 6.0
published: '2022-12-22'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T15:17:00.450'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-4662'
references:
  - url: >-
      https://lore.kernel.org/all/20220913140355.910732567%40linuxfoundation.org/
    label: secalert@redhat.com
  - url: >-
      https://lore.kernel.org/all/CAB7eexLLApHJwZfMQ=X-PtRhw0BgO+5KcSMS05FNUYejJXqtSA%40mail.gmail.com/
    label: secalert@redhat.com
  - url: >-
      https://lore.kernel.org/all/20220913140355.910732567%40linuxfoundation.org/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lore.kernel.org/all/CAB7eexLLApHJwZfMQ=X-PtRhw0BgO+5KcSMS05FNUYejJXqtSA%40mail.gmail.com/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-794697.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-831302.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
epss: 0.00373
epssPercentile: 0.31119
ingestedAt: '2026-10-14T15:36:13.928Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-04-09T18:03:46.255838Z'
---

## Overview

A flaw incorrect access control in the Linux kernel USB core subsystem was found in the way user attaches usb device. A local user could use this flaw to crash the system.

## Affected

- `linux_kernel < 6.0`
- `linux_kernel = 6.0`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.0`