Zero-Day GRUB2 Vulnerability Hits Linux Users, Patch Available for Ubuntu, RHEL | Linux Today

Zero-Day GRUB2 Vulnerability Hits Linux Users, Patch Available for Ubuntu, RHEL

Written By
MN
Marius Nestor
Dec 15, 2015

The security flaw was discovered by developers Ismael Ripoll and Hector Marco in the upstream GRUB2 packages, which did not correctly handled the backspace key when the bootloader was configured to use password protected authentication, thus allowing a local attacker to bypass GRUB’s password protection.

MN

Marius Nestor

Linux Today Logo

LinuxToday is a trusted, contributor-driven news resource supporting all types of Linux users. Our thriving international community engages with us through social media and frequent content contributions aimed at solving problems ranging from personal computing to enterprise-level IT operations. LinuxToday serves as a home for a community that struggles to find comparable information elsewhere on the web.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.