CVE-2022-40307: Debian Linux

Medium severity, CVSS 4.7. EPSS: 0.2% chance of exploitation in the next 30 days.

An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Linux Linux Kernel: up to and including 5.19.8

Published 2022-09-09. Last modified 2026-06-17.