this post was submitted on 29 Jun 2025
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Microsoft has long wanted to get vendors out of the kernel. It's a huge privacy/security/stability risk, and causes major issues like the Crowdstrike outage.

Most of those issues also apply to kernel anti-cheat as well, and it's likely that Microsoft will also attempt to move anti-cheat vendors out of kernel space. The biggest gaming issues with steamOS/Linux are kernel anti-cheat not working, so this could be huge for having full compatibility of multiplayer games on Linux.

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[–] Kolanaki@pawb.social 53 points 4 months ago* (last edited 4 months ago) (8 children)

I'd probably be okay with kernel level anti-cheats if they actually stopped cheaters. But they don't. Hell, the best anti-cheat I've ever seen that actually works isn't even made by the developers of the game; it's a mod! Blue Sentinel for Dark Souls 3. All it does is check if the files a player you're connecting to has deviate at all from your own, then prevents the connection if they are not 1:1 identical.

[–] warm@kbin.earth 38 points 4 months ago (4 children)

Basic anti-cheat already does this, but also with memory, because most cheats are reading/modifying what is in memory. I think the only ethical solution for anti-cheat is on the server side, with machine learning perhaps, kind of like VACnet.

[–] filcuk@lemmy.zip 10 points 4 months ago (2 children)

The problem is that, with a good enough cheat, it can be impossible to distinguish from a very good player.
The best cheats use a secondary device emulating human input and reactions, which is practically undetectable.

[–] viking 16 points 4 months ago

A secondary device can't be identified by kernel level anti-cheat either. If you have a standalone device that identifies as a USB keyboard and mouse and then generates inputs that give you a 100% headshot count, there's nothing you could detect through the kernel, since all it detects are keystrokes and clicks.

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