CVE-2019-3819: Canonical Ubuntu Linux

Medium severity, CVSS 4.4. EPSS: 0.5% chance of exploitation in the next 30 days.

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: version 14.04 only; version 16.04 only; version 18.04 only
• Debian Debian Linux: version 8.0 only
• Linux Linux Kernel: from 4.18
• Opensuse Leap: version 15.0 only

Published 2019-01-25. Last modified 2026-06-17.