A critical vulnerability in the Shim Linux bootloader enables attackers to execute code and take control of a target system before the kernel is loaded, bypassing existing security mechanisms. Shim is ...

Microsoft’s vulnerability and mitigations team have discovered a bug in a program called Shim, which is used in Linux distributions that support secure boot. While the vulnerability, CVE-2023-40547, ...

Operating system maintainers, computer manufacturers, security and virtualization software vendors have worked together over the past few months to coordinate a unified response to a vulnerability ...

Microsoft has confirmed the August 2024 Windows security updates are causing Linux booting issues on dual-boot systems with Secure Boot enabled. The issue is caused by a Secure Boot Advanced Targeting ...

Linux developers are in the process of patching a high-severity vulnerability that, in certain cases, allows the installation of malware that runs at the firmware level, giving infections access to ...

Linux has a shim problem. Which naturally leads to a reasonable question: What’s a shim, and why do we need it? The answer: Making Linux work wit Secure Boot, and an unintended quirk of the GPLv3.

Researchers have unearthed two publicly available exploits that completely evade protections offered by Secure Boot, the industry-wide mechanism for ensuring devices load only secure operating system ...

Facepalm: Microsoft recently released its latest batch of monthly security updates for Windows and other software products. However, a bug fix designed to address a Secure Boot vulnerability ...