CVE-2020-8647: Debian Linux

Medium severity, CVSS 6.1. EPSS: 0.4% 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 vc_do_resize function in drivers/tty/vt/vt.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.