24.6.2026
The UEFI hell breaks loose on June 27, 2026.
https://x.com/twtayaan/status/2069414420292460606
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Ayaan 🐧 @twtayaan
Linux users who uninstalled Windows to escape Microsoft and choose freedom with Linux may not have escaped yet.
Microsoft holds the cryptographic key that allows every major Linux distro to boot on modern hardware. Ubuntu. Fedora. Debian. All of them. Without Microsoft's signature your Linux machine does not start.
And that key expires in 4 days. June 27, 2026.
Here is what is actually happening.
When Secure Boot was introduced in 2012, Microsoft became the certificate authority for the entire PC boot ecosystem. Every Linux bootloader on the planet has to be signed by Microsoft to run on any UEFI machine with Secure Boot enabled.
Your existing Linux install will still boot after June 27. That is the good news.
The bad news is everything going forward.
→ Any new shim binary after June 27 cannot be signed with the old key anymore
→ If your firmware never gets the new 2023 Microsoft certificates, fresh distro installs will fail to boot
→ Older laptops, smaller vendor hardware and embedded devices that never receive firmware updates are now in permanent limbo
→ Dell, HP and Lenovo have pushed updates. Smaller vendors have not. Nobody knows how many devices fall through the cracks.
The fix for most people is one command: sudo fwupdmgr update
But the bigger story here is the one nobody is talking about.
The Linux community spent years arguing about freedom and independence from Microsoft. The entire time Microsoft had a key that every Linux machine on earth depended on to start.
That is not a conspiracy. That is just how Secure Boot was designed.
Run the update. Then think about what it means.
Full details here:
https://zdnet.com/article/aspirin-for-linuxs-microsofts-secure-boot-headache/
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3:37 PM · Jun 23, 2026
50.4K Views
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Michael Zimmerman @bigmikez99z
Worse than that, the big deal about Linux was the support for older hardware which is being gutted via secure boot and linux kernel is starting to remove old device support. They do not want people owning hardware it seems like or at the very min. old hardware.
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Ayaan 🐧 @twtayaan
True, that's a real downside. Linux's long term support for old hardware was one of its biggest strengths. Secure Boot + kernel deprecations are quietly killing that off for a lot of people. Frustrating.
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Preston @prestonmcole
Or..... Just install with secure boot disabled??? What am I missing?
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Ayaan 🐧 @twtayaan
You think Secure Boot is just for dual booting a personal laptop. In enterprise production, bare metal Linux servers keep Secure Boot enabled for strict security compliance. Just turning off security features is a hobbyist workaround not a production solution.
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𝙶𝚛𝚊𝚑𝚊𝚖 𝙰𝚗𝚍𝚎𝚛𝚜𝚘𝚗 @GrahamAnd3rson
Bait slop, modern distros have been managing secure boot with machine owner keys for a long time
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Ayaan 🐧 @twtayaan
MOK literally relies on a signed shim loader to function and that shim has to be signed by Microsoft to execute. The MOK menu won't even load if the firmware rejects the expired MS cert. Try understanding architecture before crying "bait slop."
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Mersh @GooningOnTumblr
Incorrect, learn how computers work retard
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Ayaan 🐧 @twtayaan
Drop the slurs and point out a single fucking error in the architecture I laid out or stop typing you absolute clown.
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Ralph @blop3994
Anyone can use their own keys. Microsoft keys are just a convenience. Also you got one thing reversed Latops that stopped receiving EUFI updates would still work with current or older shims or keys.
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Ayaan 🐧 @twtayaan
Self signed keys work technically. But for most normal users and distros, it's not a convenience it's a hassle that breaks easy installs and updates. And older unpatched hardware still gets stuck with the expiring chain. Not as simple as it sounds.
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SCORCH @SCORCH918498
Flashing a modified bios won't work if in fact there is a real problem ?
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Ayaan 🐧 @twtayaan
Flashing a custom/modded BIOS might bypass it on some hardware, but it's risky, voids warranties and won't scale for most users or newer locked down systems. The Microsoft key dependency is the real trap here.
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wa1gov @wa1gov
When all else fails... SecureBoot disabled.🐧>🪟
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