---
id: CVE-2022-3521
title: A vulnerability has been found in Linux Kernel and classified as problematic
summary: >-
  A vulnerability has been found in Linux Kernel and classified as problematic.
  This vulnerability affects the function kcm_tx_work of the file
  net/kcm/kcmsock.c of the component kcm. The manipulation leads to race
  condition. It is recomme…
severity: low
cvss: 2.6
cvssVector: 'CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-362
vendor: linux
product: linux_kernel
affected:
  - linux_kernel < 5.19
  - linux_kernel = 5.19
  - debian_linux = 10.0
patched:
  - linux_kernel 5.19
published: '2022-10-16'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T14:17:23.507'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-3521'
references:
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec7eede369fe5b0d085ac51fdbb95184f87bfc6c
    label: cna@vuldb.com
  - url: 'https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html'
    label: cna@vuldb.com
  - url: 'https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.211018'
    label: cna@vuldb.com
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec7eede369fe5b0d085ac51fdbb95184f87bfc6c
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://vuldb.com/?id.211018'
    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
  - cve.org
epss: 0.00237
epssPercentile: 0.13945
ingestedAt: '2026-10-14T15:36:13.920Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2025-04-14T17:09:28.288661Z'
---

## Overview

A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function kcm_tx_work of the file net/kcm/kcmsock.c of the component kcm. The manipulation leads to race condition. It is recommended to apply a patch to fix this issue. VDB-211018 is the identifier assigned to this vulnerability.

## Affected

- `linux_kernel < 5.19`
- `linux_kernel = 5.19`
- `debian_linux = 10.0`

## Remediation

Upgrade past the affected range:

- `linux_kernel 5.19`