---
id: CVE-2019-16089
title: An issue was discovered in the Linux kernel through 5.2.13
summary: >-
  An issue was discovered in the Linux kernel through 5.2.13. nbd_genl_status in
  drivers/block/nbd.c does not check the nla_nest_start_noflag return value.
severity: medium
cvss: 4.1
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
vendor: linux
product: linux_kernel
affected:
  - linux_kernel <= 5.2.13
published: '2019-09-06'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T21:17:15.647'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2019-16089'
references:
  - url: 'https://lore.kernel.org/patchwork/patch/1106884/'
    label: cve@mitre.org
  - url: 'https://lore.kernel.org/patchwork/patch/1126650/'
    label: cve@mitre.org
  - url: 'https://security.netapp.com/advisory/ntap-20191004-0001/'
    label: cve@mitre.org
  - url: >-
      https://support.f5.com/csp/article/K03814795?utm_source=f5support&amp%3Butm_medium=RSS
    label: cve@mitre.org
  - url: 'https://usn.ubuntu.com/4414-1/'
    label: cve@mitre.org
  - url: 'https://usn.ubuntu.com/4425-1/'
    label: cve@mitre.org
  - url: 'https://usn.ubuntu.com/4439-1/'
    label: cve@mitre.org
  - url: 'https://usn.ubuntu.com/4440-1/'
    label: cve@mitre.org
  - url: 'https://lore.kernel.org/patchwork/patch/1106884/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lore.kernel.org/patchwork/patch/1126650/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20191004-0001/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://support.f5.com/csp/article/K03814795?utm_source=f5support&amp%3Butm_medium=RSS
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://usn.ubuntu.com/4414-1/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://usn.ubuntu.com/4425-1/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://usn.ubuntu.com/4439-1/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://usn.ubuntu.com/4440-1/'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00387
epssPercentile: 0.30632
ingestedAt: '2026-10-08T22:11:53.701Z'
---

## Overview

An issue was discovered in the Linux kernel through 5.2.13. nbd_genl_status in drivers/block/nbd.c does not check the nla_nest_start_noflag return value.

## Affected

- `linux_kernel <= 5.2.13`

## Remediation

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