关于linux系统的启动流程我们可以按步进行划分为如下： 启动BIOS，准备实模式下的中断向量表和中断服务程序 电脑启动后，CPU逻辑电路被设计为只能运行内存中的程序，没有能力直接运行存在于软盘或硬盘中的操作系统，如果想要运行，必须要加载到内存（RAM）中 ...

It is used in many Linux and embedded systemsBoot loader·Grub 2I found a vulnerability that can effectively hijack a computer. This vulnerability was reported by Mr. Hector Marco of the Valencia ...

A severe vulnerability exists in almost all signed versions of GRUB2 bootloader used by most Linux systems. When properly exploited, it could allow threat actors to compromise an operating system’s ...

在本月的补丁星期二活动日中，微软面向尚处于支持状态的 Windows 系统发布了累积更新。安全方面，累积更新 KB5012170 增强了 Secure Boot DBX 的防护能力。Secure Boot DBX 基本上就是目前发现可破坏设备的 UEFI 可执行文件黑名单。 在本次 KB5012170 更新中为 DBX 中添加了 ...

According to user reports following this month's Patch Tuesday, the August 2024 Windows security updates are breaking dual boot on some Linux systems with Secure Boot enabled. This issue is caused by ...

Why it matters: Billions of computers that are currently in use rely on a feature called Secure Boot to ensure malware has one less way of penetrating your computer. However, a new flaw discovered in ...

The modular Grand Unified Bootloader in version 2.x is still the boot method used by the installers of most Linux systems. Support for a number of file systems, EFI, secure boot and multiboot make ...