CVE-2019-3459: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 1.8% chance of exploitation in the next 30 days.

A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.

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
• Linux Linux Kernel: up to and including 5.1
• Red Hat Codeready Linux Builder: version 8.0 only
• Red Hat Enterprise Linux: version 5.0 only; version 6.0 only; version 7.0 only; version 8.0 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Eus: version 8.1 only; version 8.2 only; version 8.4 only
• Red Hat Enterprise Linux For Real Time: version 7 only; version 8 only
• Red Hat Enterprise Linux For Real Time For Nfv: version 7 only; version 8 only
• Red Hat Enterprise Linux For Real Time For Nfv Tus: version 8.2 only; version 8.4 only
• Red Hat Enterprise Linux For Real Time Tus: version 8.2 only; version 8.4 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 8.2 only; version 8.4 only
• Red Hat Enterprise Linux Server Tus: version 8.2 only; version 8.4 only
• Red Hat Enterprise Linux Workstation: version 7.0 only
• Red Hat Enterprise Mrg: version 2.0 only

Published 2019-04-11. Last modified 2026-06-17.