---
id: CVE-2019-15219
title: An issue was discovered in the Linux kernel before 5.1.8
summary: >-
  An issue was discovered in the Linux kernel before 5.1.8. There is a NULL
  pointer dereference caused by a malicious USB device in the
  drivers/usb/misc/sisusbvga/sisusb.c driver.
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-476
vendor: netapp
product: active_iq_unified_manager
affected:
  - linux_kernel < 5.1.8
  - h410c_firmware
  - active_iq_unified_manager
  - data_availability_services
  - solidfire_&_hci_management_node
  - solidfire_baseboard_management_controller
  - ubuntu_linux = 16.04
  - ubuntu_linux = 18.04
  - ubuntu_linux = 19.04
  - debian_linux = 8.0
  - leap = 15.0
  - leap = 15.1
patched:
  - linux_kernel 5.1.8
published: '2019-08-19'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T21:17:15.173'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2019-15219'
references:
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html'
    label: cve@mitre.org
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html'
    label: cve@mitre.org
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/20/2'
    label: cve@mitre.org
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/2'
    label: cve@mitre.org
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/3'
    label: cve@mitre.org
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/4'
    label: cve@mitre.org
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/5'
    label: cve@mitre.org
  - url: 'https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.8'
    label: cve@mitre.org
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9a5729f68d3a82786aea110b1bfe610be318f80a
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html'
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html'
    label: cve@mitre.org
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html'
    label: cve@mitre.org
  - url: 'https://security.netapp.com/advisory/ntap-20190905-0002/'
    label: cve@mitre.org
  - url: >-
      https://syzkaller.appspot.com/bug?id=aaf6794922521df1c35c81e32cb2d0bb6a351e7b
    label: cve@mitre.org
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/20/2'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/2'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/3'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/4'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.openwall.com/lists/oss-security/2019/08/22/5'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.8'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9a5729f68d3a82786aea110b1bfe610be318f80a
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20190905-0002/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://syzkaller.appspot.com/bug?id=aaf6794922521df1c35c81e32cb2d0bb6a351e7b
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00712
epssPercentile: 0.52142
ingestedAt: '2026-10-08T22:11:53.700Z'
---

## Overview

An issue was discovered in the Linux kernel before 5.1.8. There is a NULL pointer dereference caused by a malicious USB device in the drivers/usb/misc/sisusbvga/sisusb.c driver.

## Affected

- `linux_kernel < 5.1.8`
- `h410c_firmware`
- `active_iq_unified_manager`
- `data_availability_services`
- `solidfire_&_hci_management_node`
- `solidfire_baseboard_management_controller`
- `ubuntu_linux = 16.04`
- `ubuntu_linux = 18.04`
- `ubuntu_linux = 19.04`
- `debian_linux = 8.0`
- `leap = 15.0`
- `leap = 15.1`

## Remediation

Upgrade past the affected range:

- `linux_kernel 5.1.8`