The evad3rs have announced the release of evasi0n7 1.0.4 which brings important untether security fixes for the jailbreak of iOS 7.

evasi0n7 updated to 1.0.4 at Evasion website with important untether security fixes & (we hope) no more iPad mini Retina JB issues!

Existing JB users will receive the evasi0n7 1.0.4 untether security update through Cydia as soon as @saurik refreshes his repository!

download and guide
evasi0n7 - iOS 7.x Jailbreak[updated] [1.0.4]