Linux Distributions Fix Security Flaw in GRUB2

A recently discovered flaw in GRUB2, the bootloader used by almost all Linux distros, has been fixed. 

As reported by Steven J. Vaughan-Nichols at ZDNet, the bug (called Boothole) makes Linux machines potentially vulnerable to attack, but developers were warned of the problem, and most distros have already issued patches. 

Read more at ZDNet.