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First-ever UEFI bootkit for Linux in the works, experts say

ID: 1b394679-9882-5db3-be5a-ae5a7fd2aa04

STIX ID: report--1b394679-9882-5db3-be5a-ae5a7fd2aa04

Feed Name: The Register (Security)

Threat Score
30/100

Date Published: 2024-11-27

Date Updated: 2026-04-26

Author: Connor Jones

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ESET researchers discovered 'Bootkitty', the first known UEFI bootkit for Linux, in a VirusTotal sample; the tool appears to be an early, self-signed proof-of-concept targeting a limited set of Ubuntu kernels/GRUB versions, unable to run on Secure Boot systems, and currently modular but unstable and not observed in active widescale use.

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