CVE-2019-19526: Canonical Ubuntu Linux

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

In the Linux kernel before 5.3.9, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/nfc/pn533/usb.c driver, aka CID-6af3aa57a098.

Affected products

• Canonical Ubuntu Linux: version 18.04 only; version 19.04 only
• Linux Linux Kernel: before 5.3.9 (fixed in 5.3.9)
• Opensuse Leap: version 15.1 only

Published 2019-12-03. Last modified 2026-06-17.