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Linux and Secure Boot certificate expiration (lwn.net)

submitted 2 weeks ago by cm0002@lemmy.world to c/linux@programming.dev

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From: https://techrights.org/n/2025/08/26/The_UEFI_9_11_Part_I_Introduction_to_Impending_Catastrophe_Micr.shtml

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[–] ook@discuss.tchncs.de 6 points 2 weeks ago (2 children)

How can I check if my system will be affected or not?

[–] fuckwit_mcbumcrumble@lemmy.dbzer0.com 5 points 2 weeks ago (2 children)

Was your bios updated in the last few years? Not when you updated it, but when the manufacturer pushed a newer update.

If it's older than 2023 then you're screwed. If it's been updated since then then you're probably fine.

[–] floofloof@lemmy.ca 4 points 2 weeks ago* (last edited 2 weeks ago)

Screwed just means you'll have to turn off Secure Boot if you ever want to reinstall Linux. And on many PCs the Secure Boot has been so badly implemented it's pretty worthless anyway. Several of mine have a root key called something like "AMI TEST KEY - DO NOT TRUST" which basically invalidates the whole system and is unfixable by the user.

[–] ook@discuss.tchncs.de 2 points 2 weeks ago (1 children)

Hm, I guess that should be visible somewhere in the BIOS, need to have a look later.

[–] meekah@lemmy.world 2 points 2 weeks ago (1 children)

They're asking for the newest version of firmware available, not the one you have installed. Check the website of your motherboards manufacturer to see if they have anything.

[–] ook@discuss.tchncs.de 1 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

It is a laptop that is more than 10 years old. Don't think I ever updated the BIOS on it. So I guess that could mean it is going to be affected?

https://www.asus.com/ie/supportonly/ux433fn/helpdesk_bios/ it is this one, latest bios update is 2021. So I guess I might be screwed? Even if I use that to update, I mean?

[–] meekah@lemmy.world 3 points 2 weeks ago (1 children)

Yeah, as far as I understand it. I think you're fine if you just turn secure boot off, if that's an option for you.

[–] ook@discuss.tchncs.de 4 points 2 weeks ago

Seems like that is the only way for now, so I'll backup stuff and do it. I've been reading so many opinions how important it even is, I don't think it is going to impact my use case of the laptop.

Thanks for responding!

[–] CCMan1701A@startrek.website 2 points 2 weeks ago (1 children)

i have just revived a system from 2013 with linux, if i turn off secure boot does this matter?

[–] f4f4f4f4f4f4f4f4@sopuli.xyz 4 points 2 weeks ago

No.