Let's start by clearly stating what this post is, and what it isn't. It is a description of how I set up multi-boot for Linux systems, sometimes including Windows, using the GRUB bootloader. It is not ...

We're in the home stretch now. In the first post of this series I looked at the general characteristics of Linux installations on systems with UEFI firmware - specifically how the disk is partitioned, ...

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.

ESET researchers have analyzed a previously undocumented, real-world UEFI bootkit that persists on the EFI System Partition (ESP). The bootkit, which we’ve named ESPecter, can bypass Windows Driver ...

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 ...

The first UEFI bootkit specifically targeting Linux systems has been discovered, marking a shift in stealthy and hard-to-remove bootkit threats that previously focused on Windows. Named 'Bootkitty,' ...

A vulnerability in the user of hard-coded Platform Keys (PK) within the UEFI framework, known as PKfail, has been discovered. This flaw allows attackers to bypass critical UEFI security mechanisms ...