Linux Boot Vulnerability Lets Attackers Bypass Secure Boot Protections
Posted: Mon Jul 07, 2025 4:39 pm
A newly highlighted vulnerability in the Linux boot process exposes a critical weakness in the security posture of many modern distributions.
Despite widespread adoption of Secure Boot, full-disk encryption, and bootloader passwords, attackers can still bypass these defenses by exploiting the Initial RAM Filesystem (initramfs) debug shell—a loophole often overlooked in hardening guides, as per a report by Insinuator.
https://gbhackers.com/linux-boot-vulnerability/
Despite widespread adoption of Secure Boot, full-disk encryption, and bootloader passwords, attackers can still bypass these defenses by exploiting the Initial RAM Filesystem (initramfs) debug shell—a loophole often overlooked in hardening guides, as per a report by Insinuator.
https://gbhackers.com/linux-boot-vulnerability/