Shim file: Revision history

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26 June 2025

  • curprev 17:3117:31, 26 June 2025 Littleguy talk contribs 628 bytes +628 Created page with "A shim file is a small program that helps Linux boot on systems with Secure Boot, a UEFI feature that only runs trusted, signed software. Microsoft signs the shim, which then loads the Linux bootloader (like GRUB), bypassing Secure Boot restrictions. You don't need shims in your physical boots—it's a tech term, not about feet! Users can add their own keys (MOK) for custom software. Recent 2024 updates fixed a shim vulnerability (CVE-2023-40547), but caused boot issues..."