CVE-2019-7221: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only
• Fedoraproject Fedora: version 28 only; version 29 only
• Linux Linux Kernel: up to and including 4.20.5
• Netapp Active Iq Performance Analytics Services: affected versions not specified
• Netapp Element Software Management Node: affected versions not specified
• Opensuse Leap: version 15.0 only
• Red Hat Enterprise Linux: version 7.0 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.6 only
• Red Hat Enterprise Linux Server Eus: version 7.6 only
• Red Hat Enterprise Linux Server Tus: version 7.6 only
• Red Hat Enterprise Linux Workstation: version 7.0 only
• Red Hat Openshift Container Platform: version 3.11 only

Published 2019-03-21. Last modified 2026-06-17.