Re: Windows Secure Boot certificate expiration (June 2026)

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On 7/9/25 9:51 AM, Chris Adams wrote:
How can I tell what my systems have (ideally from within Linux)?

There might be a better way, but I used "efivar" from the package with the same name.

# dnf install efivar
$ efivar --list | grep -i kek
$ efivar -p -n <kek name from previous command>

It will be a hexdump so you will need to look at the ASCII output for "Microsoft Corporation KEK CA 2011" or "Microsoft Corporation KEK 2K CA 2023".
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