Recent cybersecurity research has unveiled malicious code that takes advantage of a significant firmware vulnerability, known as LogoFAIL, to implant a backdoor into Linux systems. The exploit specifically targets devices from manufacturers such as Acer, HP, Fujitsu, and Lenovo that still operate with unpatched firmware.

This update is adding the following further details: this threat is not a UEFI firmware implant or rootkit, it's a UEFI bootkit attacking the bootloader. The Bootkitty sample analyzed by ESET was not unkillable.

Cybersecurity researchers have discovered the first-ever UEFI bootkit designed to target Linux systems and subvert their boot process for malicious purposes. The