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Microsoft security update breaks dual-boot Linux systems using Secure Boot | "Something has gone seriously wrong" with the August Patch Tuesday update
Microsoft's Patch Tuesday for August 2024 includes a fix for a security vulnerability in the Grub2 boot loader, which is used by many Linux operating systems. Tracked...
However, a bug fix designed to address a Secure Boot vulnerability discovered two years ago is causing issues for Linux users, rendering dual-boot configurations unbootable. Affected systems typically display a "Security Policy Violation" error at boot, indicating a failed check on "shim SBAT data." Boot problems have been reported on both dual-boot systems and on Windows devices running Linux from an ISO image, USB drive, or optical media.
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