#VU119803 Protection mechanism failure in edk2 - CVE-2025-2296
Published: December 10, 2025
edk2
TianoCore
Description
The vulnerability allows an attacker to bypass Secure Boot protections.
The vulnerability exists due to insufficient implementation of security measures in direct boot mode. If signature of Linux kernel is not in the DB, DxeImageVerification returns EFI_ACCESS_DENIED, however it falls back to the legacy loader allowing to bypass the secure boot mechanism. An attacker with physical access to the system can bypass secure boot feature and load an untrusted image.