---
id: CVE-2019-19530
title: >-
  In the Linux kernel before 5.2.10, there is a use-after-free bug that can be
  caused by a malicious USB device in the drivers/usb/class/cdc-acm.c driver,
  aka CID-c52873e5a1ef.
summary: >-
  In the Linux kernel before 5.2.10, there is a use-after-free bug that can be
  caused by a malicious USB device in the drivers/usb/class/cdc-acm.c driver,
  aka CID-c52873e5a1ef.
severity: medium
cvss: 4.6
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-416
vendor: linux
product: linux_kernel
affected:
  - linux_kernel < 5.2.10
  - debian_linux = 8.0
  - leap = 15.1
patched:
  - linux_kernel 5.2.10
published: '2019-12-03'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T21:17:19.357'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2019-19530'
references:
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html'
    label: cve@mitre.org
  - url: 'http://www.openwall.com/lists/oss-security/2019/12/03/4'
    label: cve@mitre.org
  - url: 'https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10'
    label: cve@mitre.org
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c52873e5a1ef72f845526d9f6a50704433f9c625
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html'
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html'
    label: cve@mitre.org
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.openwall.com/lists/oss-security/2019/12/03/4'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c52873e5a1ef72f845526d9f6a50704433f9c625
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
epss: 0.00426
epssPercentile: 0.3671
ingestedAt: '2026-10-08T22:11:53.708Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-08T20:59:48.251849Z'
---

## Overview

In the Linux kernel before 5.2.10, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/class/cdc-acm.c driver, aka CID-c52873e5a1ef.

## Affected

- `linux_kernel < 5.2.10`
- `debian_linux = 8.0`
- `leap = 15.1`

## Remediation

Upgrade past the affected range:

- `linux_kernel 5.2.10`