A minimal UEFI boot manager application demonstrating low-level systems programming concepts for firmware development. This project showcases UEFI protocols, memory management, file system operations, ...

Super UEFIinSecureBoot Disk is a proof-of-concept (not actively maintained or enhanced) bootable image with GRUB2 bootloader designed to be used as a base for recovery USB flash drives. Key feature: ...

A vulnerability in trusted system recovery programs could allow privileged attackers to inject malware directly into the system startup process in Unified Extensible Firmware Interface (UEFI) devices.

Windows 11’s efficiency and sleek design are often celebrated, but even the most advanced operating systems are susceptible to hiccups. One of the most common boot problems stems from a corrupted or ...

Earlier this week I realized that there had recently been a new release of PCLinuxOS. It was not as easy or obvious as you might think to notice this, because there was no release announcement that I ...

When a VirtualBox virtual machine boots directly into the UEFI Interactive Shell, it’s typically because the EFI firmware cannot automatically find a bootable operating system loader. This could be ...

My post yesterday about the new PCLinuxOS 2014.12 release drew some comments indicating pretty clearly that I was wrong about it not being installable on UEFI firmware systems. So I went back and ...

The Howyar UEFI Application “Reloader” (32-bit and 64-bit), distributed as part of SysReturn prior to version 10.2.02320240919, is vulnerable to the execution of arbitrary software from a hard-coded ...