CVE-2020-15780: Canonical Ubuntu Linux

Medium severity, CVSS 6.7. EPSS: 1.4% chance of exploitation in the next 30 days.

An issue was discovered in drivers/acpi/acpi_configfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Linux Linux Kernel: before 5.7.7 (fixed in 5.7.7)
• Opensuse Leap: version 15.1 only; version 15.2 only

Published 2020-07-15. Last modified 2026-06-17.