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Bad Epoll – Critical Linux Kernel Bug Lets Local Users Gain Root (AI Missed It) (sh.itjust.works)

submitted 1 month ago by Digitalescapetools@sh.itjust.works to c/digitalescapetooks@sh.itjust.works

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Security researchers have disclosed Bad Epoll, a critical Linux kernel vulnerability that allows a local attacker to gain root privileges.

The bug affects the kernel's epoll subsystem and highlights how subtle race-condition vulnerabilities can remain hidden for years. Interestingly, Anthropic's AI security system (Mythos) found a different bug in the same codebase but missed this one.

If you run Linux servers, desktops, Android devices, or self-hosted services, it's worth checking whether your distribution has released a patched kernel.

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[–] Gobo@lemmy.world 6 points 1 month ago

CVE-2026-46242. I had to look it up.