CVE-2019-3819

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-25 · updated 2026-06-17
Weakness: CWE-835

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.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 18.04
Debian Linux: 8.0
Linux kernel: from 4.18
openSUSE Leap: 15.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
http://www.securityfocus.com/bid/106730
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3819
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
https://usn.ubuntu.com/3932-1/
https://usn.ubuntu.com/3932-2/
https://usn.ubuntu.com/4115-1/
https://usn.ubuntu.com/4118-1/
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
http://www.securityfocus.com/bid/106730

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