“As its name suggests, LogoFAIL involves logos, specifically those of the hardware seller that are displayed on the device screen early in the boot process, while the UEFI is still running. Image parsers in UEFIs from all three major IBVs are riddled with roughly a dozen critical vulnerabilities that have gone unnoticed until now.”

This. Is. Bad.

All major BIOSs are affected.

#security

https://arstechnica.com/security/2023/12/just-about-every-windows-and-linux-device-vulnerable-to-new-logofail-firmware-attack/