Bootloader
Microsoft uses AI to find flaws in GRUB2, U-Boot, Barebox bootloaders
Microsoft used its AI-powered Security Copilot to discover 20 previously unknown vulnerabilities in the GRUB2, U-Boot, and Barebox open-source bootloaders. GRUB2 (GRand Unified Bootloader) is the default boot loader for most Linux distributions, including Ubuntu, while U-Boot and Barebox are commonly used in embedded and IoT devices. Microsoft discovered eleven vulnerabilities in GRUB2, including integer and buffer […]
New Windows updates break dual boot on some Linux systems
According to user reports following this month’s Patch Tuesday, the August 2024 Windows updates are breaking dual boot on Linux systems with Secure Boot enabled. This issue is caused by Microsoft’s decision to apply a Secure Boot Advanced Targeting (SBAT) update to block Linux boot loaders unpatched against the CVE-2022-2601 GRUB2 Secure Boot bypass vulnerability, which could […]