The TaiG team has just update to their TaiG 2.2.0 jailbreak tool to TaiG 2.2.1, this update for the TaiG iOS 8.1.3 – iOS 8.x and this untether pacakage is fix the “setreuid” security flaw.
Guide to step by step how to fix security flaw by manually upgrading to TaiG 2.2.1
Click cydia icon
Go to the sources tab
Click the Edit icon
Now click the Add icon
Now enter following URL http://apt.taig.com
Touch the add source.
Now TaiG’s source has been added, and you have to go changes icon .
You can see upgrade TaiG 8.1.3 – 8.x untether and open this tab.
Now install the upgrade TaiG and reboot idevice.
Now it should security flow and TaiG jailbreak updrade to 2.2.1