Windows and Linux Secure Boot Certificates Expire June 24—Update Now
Source: https://www.wired.com/story/a-critical-deadline-is-approaching-for-windows-and-linux-security/
Executive Briefing
- Warns that three Microsoft-signed Secure Boot cryptographic certificates, dated 2011, expire June 24, 2025
- Explains certificates guard against UEFI bootkits, malware that loads before the OS and survives reinstallation
- Reveals the update was triggered by LogoFail, critical vulnerabilities allowing attackers to bypass Secure Boot via image-parsing bugs
- Notes most Windows machines auto-update via monthly patches, but older systems may require manual intervention
- Advises Linux users to watch for updated shim bootloader releases from their respective distributions
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