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, ...

Arm devices are everywhere today and many of them run Linux. The operating system also powers cloud computing and IT environments all over the world. However, x86 is still the dominant architecture of ...

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.