What is hid-omg-detect?

A Linux kernel module that passively detects malicious USB HID devices like BadUSB by scoring keystroke entropy, latency, and fingerprints.

Does hid-omg-detect block USB devices?

No — it warns and recommends USBGuard. Zero interference with legit input.

Is BadUSB still a threat in 2024?

Yes, refined tools like O.MG cables evade old defenses. This patch targets them head-on.

When will hid-omg-detect merge into Linux kernel?

Unclear — it's a proposal. v2 addressed feedback; maintainers decide.

🔒 Security & Privacy

Linux's New hid-omg-detect Driver Spots Malicious USB Keyloggers Before They Strike

Linux insiders expected USB devices to stay a blind spot for kernel-level defenses. This hid-omg-detect driver flips the script, passively scoring shady plugs without blocking legit ones.

Open Source Beat Apr 07, 2026 3 min read

Linux kernel patch detecting malicious USB device like O.MG cable injecting keystrokes

⚡ Key Takeaways

hid-omg-detect passively scores USB keyboards on entropy, latency, and fingerprints to flag BadUSB/O.MG threats. 𝕏
It's a kernel proposal that integrates with USBGuard without blocking inputs. 𝕏
Could evolve Linux USB security like eBPF did for networking, predicting distro-default by 2026. 𝕏

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#BadUSB #Linux kernel #USB security #hid-omg-detect

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