CVE-2020-8649: Debian Linux

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Linux Linux Kernel: up to and including 5.5.2
• Opensuse Leap: version 15.1 only

Published 2020-02-06. Last modified 2026-06-17.