---
id: CVE-2022-3628
title: >-
  A buffer overflow flaw was found in the Linux kernel Broadcom Full MAC Wi-Fi
  driver
summary: >-
  A buffer overflow flaw was found in the Linux kernel Broadcom Full MAC Wi-Fi
  driver. This issue occurs when a user connects to a malicious USB device. This
  can allow a local user to crash the system or escalate their privileges.
severity: medium
cvss: 6.6
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
vendor: linux
product: linux_kernel
affected:
  - linux_kernel = 6.1
published: '2023-01-12'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T14:17:26.343'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-3628'
references:
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c?id=6788ba8aed4e28e90f72d68a9d794e34eac17295
    label: secalert@redhat.com
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c?id=6788ba8aed4e28e90f72d68a9d794e34eac17295
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-794697.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
epss: 0.00507
epssPercentile: 0.41634
ingestedAt: '2026-10-14T15:36:13.928Z'
---

## Overview

A buffer overflow flaw was found in the Linux kernel Broadcom Full MAC Wi-Fi driver. This issue occurs when a user connects to a malicious USB device. This can allow a local user to crash the system or escalate their privileges.

## Affected

- `linux_kernel = 6.1`

## Remediation

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