CVE-2019-15223: Canonical Ubuntu Linux

Medium severity, CVSS 4.6. EPSS: 0.6% chance of exploitation in the next 30 days.

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 sound/usb/line6/driver.c driver.

Affected products

• Canonical Ubuntu Linux: version 18.04 only; version 19.04 only
• Linux Linux Kernel: before 5.1.8 (fixed in 5.1.8)
• Netapp Active Iq Unified Manager: affected versions not specified
• Netapp Data Availability Services: affected versions not specified
• Netapp h410c Firmware: affected versions not specified
• Netapp Solidfire & Hci Management Node: affected versions not specified
• Netapp Solidfire Baseboard Management Controller: affected versions not specified

Published 2019-08-19. Last modified 2026-06-17.