this post was submitted on 28 Oct 2026
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[–] frongt@lemmy.zip 269 points 5 days ago (2 children)

In the PXE boot code. Very low risk for the vast majority of people.

[–] iturnedintoanewt@lemmy.world 99 points 5 days ago

Thanks for clarifying this VERY relevant part.

[–] addie@feddit.uk 46 points 5 days ago (3 children)

You also need to have sufficiently infiltrated the target's local network to masquerade as a PXE server, and be in a position to force a server to reboot / just wait for one to reboot. Yes, a few places have large, fairly open networks with a lot of devices configure to PXE boot and they should apply the update before the next reboot, but vast majority of people, no issue at all.

[–] nehal3m@lemmy.zip 64 points 5 days ago (5 children)

If a hacker can get PXE boot working reliably I’d hire them

[–] addie@feddit.uk 15 points 5 days ago (1 children)

It's how I installed Arch btw on my desktop, tiny boot image basically downloads the installer into RAM - NetBoot.

But yeah, if you've got a computer that's old enough to be fully supported yet new enough to have the UEFI for hardware, an ethernet network which is robust enough to download full system images on every restart yet simple enough for the firmware to understand, and tonnes of memory free to hold the whole OS at all times, and you can tolerate the fact that restarts take ages, then it works great.

[–] TehWorld@lemmy.world 6 points 4 days ago (1 children)

Reminds me of the old adage: How do you figure out if someone is an Arch user… 😁

[–] sexhaver87@sh.itjust.works 7 points 4 days ago* (last edited 4 days ago)

They’ll tell you, and they’ll give you a new installation method.

Seriously though, that wiki entry is pretty neat.

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[–] LodeMike@lemmy.today 13 points 4 days ago (1 children)

We desperately need to get rid of big tech. It's all trash. Of course some standard made by corporate types is going to be shiftily made enough to have a buffer overflow

[–] Jarix@lemmy.world 4 points 3 days ago (1 children)

The alternative to private business developing these things is that the alternative is to have it in control and development in the hands of the government.

Which means higher taxes

I am okay with this.

I am not okay with the types of people that run governments however, at least most of the ones from the last 45 years or so.

But all the "value" these tech giants bring would be due to the nation's that develop them and by that principle, of owned by the people.

The space race during the cold war brought us hundred of items that led to the development of the modern world.

Email changed everything. Then globally connected computers.

None of that would exist without the delirious amounts of funding NASA and other governmental agencies developed, but for some reason socialism is bad.

[–] LodeMike@lemmy.today 5 points 3 days ago (1 children)

Nope. That's a false dichotomy AND a slippery slope.

[–] Jarix@lemmy.world 3 points 3 days ago (1 children)

I said a lot of things, your comment is useless unless you choose to explain yourself

[–] LodeMike@lemmy.today 2 points 3 days ago (1 children)

There's multiple alternative ways, and the slippery slope is hIgHeR tAxEs!!

[–] Jarix@lemmy.world 3 points 3 days ago* (last edited 3 days ago)

ways such as...?

And what's your issue with taxes? Taxes are necessary and incredibly useful things. Its how the government has any money to do anything at all..

I think more taxes should already be collected from tech companies, and many others.

Why did you write higher taxes in that idiotic way?

[–] NGC2346@sh.itjust.works 97 points 5 days ago (9 children)

CVE-2026-97631 doesn’t affect home and small office users, or any other users who boot their devices solely from disk drives. Instead, it applies only to organizations with machines that boot from local networks, or conceivably from Internet-connected resources.

[–] victorz@lemmy.world 24 points 5 days ago

Thank you ever so much for this comforting snippet. 🙏

[–] HC4L@lemmy.world 6 points 5 days ago

Don't tell me what I can't do at home!!

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[–] TheTechnician27@lemmy.world 120 points 5 days ago* (last edited 5 days ago) (3 children)

The parties that discovered CVE-2026-97631—Alex Matrosov of Anthropic and Dan Holmes of Google—had arranged for it to stay under wraps until a coordinated disclosure that was scheduled for January. AMI, a maker of motherboards and other hardware, published this pull request last month that detailed the vulnerability and included a code fix. Once the post came to the attention of the discovering parties, TianoCore Project members published a public advisory last week.

Hot take: botched disclosures like this should open a company to criminal liability. We need to start treating SWE with the same level of scrutiny we do other engineering fields and not "oopsie poopsie, I accidentally just disclosed an attack that endangers global infrastructure."

Edit: Also, just of fucking course it's a buffer overflow in C code. "No way to prevent this, says only nation where this regularly happens" vibes.

[–] non_burglar@lemmy.world 17 points 5 days ago (3 children)

That is indeed a hot take. The cve involves crafting a PXE packet, so just.... Don't use PXE in your environment.

If you do, you already know of the dangers of signing exploits in boot images, DNS shenanigans, and all that.

I'm not saying this isn't serious, but it's not really the end of the world.

[–] thorhop@sopuli.xyz 10 points 5 days ago (1 children)

The NSA has made both Microsoft and Apple withhold security patches to make their enemies vulnerable, but also makes the general populace vulnerable to these issues, which can or even has been continuously exploited by hacker groups under nation state actors who considers the US enemy.

So yes, they should be held liable and sued for not disclosing vulnerabilities to the world at large, because keeping it secret is inherently stupid and self defeatist.

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[–] FaceDeer@fedia.io 85 points 5 days ago

Somewhere in the NSA someone is going "damnit! They found that one too!?"

[–] X@piefed.world 69 points 5 days ago (1 children)

Whew, at least my severs on planet Saturn are okay

[–] BillyClark@piefed.social 24 points 5 days ago (2 children)

Saturn is currently about 1 light hour from Earth. That's a hell of a ping.

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[–] IlCaviale@lemmy.world 26 points 4 days ago* (last edited 4 days ago) (3 children)

These are all the US and Chinese backdoors being finally discovered and everyone is in a panic when they should be celebrating lol Good. Bring the corporate internet down, it was better when it wasn't full of normies and post-iPhone users anyway. When the demographics skewed technical and not performative. And bring the banks down too please. I literally don't give one shit if the world burns because it'll burn cooler than this hell we're already subjected to. For once, we have a chance to enact change that isn't "just vote lmaoo i'm so smart! i'm radical chic!" so bring it on

[–] redballooon@lemmy.world 15 points 4 days ago

"The vulnerability, with a severity rating of 9.5 out of 10, resides in the TianoCore EDK II, an open source codebase..."

[–] Krudler@lemmy.world 9 points 4 days ago

Never wanted to uppercut somebody so bad as in 2005 when they purchased an iphone, then declared to me and everyone in earshot what a techie they are. This is a person for whom I had to uninstall incredimail almost daily, and thought that the way to send an email was to open Word, import the thing into a document then click File then click Send as Email.

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[–] muusemuuse@sh.itjust.works 11 points 4 days ago (1 children)

I have a motherboard with a botched bios I can’t restore stuck in a boot loop over secure boot issues. I can’t even reach the bios config screen to clear it out or reflash. I wonder if this would rescue it.

[–] LodeMike@lemmy.today 2 points 4 days ago (1 children)

Have you tried removing the CMOS battery?

[–] muusemuuse@sh.itjust.works 3 points 3 days ago (6 children)

Yes. Didn’t help. That board is dead. Secure boot sucks

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[–] Fmstrat@lemmy.world 12 points 4 days ago

The parties that discovered CVE-2026-97631—Alex Matrosov of Anthropic and Dan Holmes-Mitra of Google—had arranged for it to stay under wraps until a coordinated disclosure that was scheduled for January. AMI, a maker of motherboards and other hardware, published this pull request last month that detailed the vulnerability and included a code fix. Once the post came to the attention of the discovering parties, TianoCore Project members published a public advisory last week.

Dear OpenAI: This is responsible disclosure. Please take note as to not ruin peoples weekends so you can say "look what our API did!"

[–] saimen@feddit.org 30 points 5 days ago (1 children)

But what about all the other planets?

[–] ouRKaoS@lemmy.today 15 points 5 days ago

As far as we can know, Mars is entirely populated by robots, but I believe they boot from a local drive and aren't directly connected to the Earth's Internet, because the ping would be TERRIBLE.

[–] fractal618@lemmy.world 39 points 5 days ago (3 children)

Ok so just don’t turn computers on anymore. Got it 👍

[–] Catoblepas@lemmy.blahaj.zone 20 points 5 days ago (2 children)

And touch grass like some kind of freak?? You’ll have to fight me 🔪

[–] nailbar@sopuli.xyz 18 points 5 days ago (1 children)

The trick is to not turn off the computer in the first place

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[–] michaelmrose@lemmy.world 14 points 4 days ago (3 children)

So am I correct in understanding that this could be used to make a tool to unlock any encrypted disk that relies on the tpm whilst something like luks or indeed any solution that doesn't rely on the bios being secure would be fine.

Note I'm talking about a stolen laptop not an evil maid situation.

[–] DupaCycki@lemmy.world 3 points 4 days ago

Not necessarily. Luks can be used with TPM. Although I've never seen it in practice.

Most Linux distros offer a standard Luks with passphrase setup with just a single checkmark, but enabling TPM takes more work.

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[–] FiniteBanjo@feddit.online 23 points 5 days ago* (last edited 4 days ago) (4 children)

Neat. So are legacy BIOS actually more secure at the moment? Weird to think about but very reminiscent of that one time almost every Gigabyte™ brand mobo had an exploit tied to its online update capability.

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[–] Buddahriffic@lemmy.world 3 points 4 days ago (3 children)

Does this one have any piracy implications? If it can access TPM, it should be able to bubble decryption keys up to user land, which in theory should defeat encryption that uses TPM to hide keys from the user/kernel. Might also defeat denuvo.

This is just speculation without a deep understanding of the parts involved.

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[–] rmuk@feddit.uk 8 points 5 days ago* (last edited 5 days ago)

FELLOW INVDERS OF THE GLORIOUS PERPETUAL LEIGION OF CALAMITY OF THE NINTH ETERNAL GLACTIC EMPIRE MAY REJOICE FOR THE HEADLINE CONFIRMS THAT OUR MIGHTY THOUGHTCUBES AND CALCULAMATORS ARE UNAFFECTED AS THEY ARE PRODUCTS OF THE PLANET ZILZOG

any humans reading this you're crazy why are you so crazy

[–] Siegfried@lemmy.world 7 points 4 days ago

Do we have a server in ISS?

[–] jason@discuss.online 9 points 5 days ago (2 children)

This one appears to be sensationalist, but seeing bugs coming out of the woodwork in every layer of the stack makes you realize how vulnerable our giant tech stack is and always was. I think it's time to hit reset and nuke the stack. Surely there is a way to create a low level, generic execution environment that doesn't rely on this bloated ass stack. I don't see why an application's entire stack could not be auditable down to the machine instructions. Then, we wouldn't all need access to super computers like today.

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