Actually you can upgrade to 4.4.2 with mobule odin, have mobile odin reboot you unto download mode and flash the 4.3 kernal with regular odin, and then root without any of the security fixes. Plus you'll be able to downgrade to 4.3 if you want.
Check this out, you'll have to translate it in Chrome.
Sent from another Galaxy... Note 3
Ajster1989 - Thanks for hitting "Thanks"
Samsung Galaxy S II Toolkit
Samsung Galaxy Note 3 Toolkit (Development started on 1/25/2013, stay tuned)
T-Mobile Galaxy Note 3 N900T
Stock Rom - Damn you KNOX!
T-Mobile Galaxy Note II T889
Stock Rom (for now)
T-Mobile Galaxy S II T989 Hercules
Rooted Stock Rom - CWM Touch
T-Mobile Galaxy S Vibrant
By me a Red Bull...