CVE-2019-3819

Name: CVE-2019-3819
Creator: NVD / NIST
Published: 2019-01-25T18:29:00.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2019-3819 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. A flaw was found in the Linux kernel in the function hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an infinite loop with certain parameters passed from a userspace. A local privileged user ("root") can cause a system lock up and a denial of service. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

A flaw was found in the Linux kernel in the function hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an infinite loop with certain parameters passed from a userspace. A local privileged user ("root") can cause a system lock up and a denial of service. Versions from v4.18 and newer are vulnerable.

Metrics

CVSS 3.1

4.4/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.45%

36.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 4.18
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Opensuse	Leap	15.0
Canonical	Ubuntu Linux	18.04

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/106730Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3819Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3932-1/Third Party Advisory
https://usn.ubuntu.com/3932-2/Third Party Advisory
https://usn.ubuntu.com/4115-1/Third Party Advisory
https://usn.ubuntu.com/4118-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/106730Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3819Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3932-1/Third Party Advisory
https://usn.ubuntu.com/3932-2/Third Party Advisory
https://usn.ubuntu.com/4115-1/Third Party Advisory
https://usn.ubuntu.com/4118-1/Third Party Advisory

Timeline

Published: Jan 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-3819?

How severe is CVE-2019-3819?

CVE-2019-3819 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3819?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3819?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST