Samsung just released the first Android 4.2.2 for Galaxy Note 8.0 LTE N5120. non-LTE version N5100 and N5110 may have to wait for a few more days


firmware details:
version: Android 4.2.2
pda: XXCMG7
csc: BTUCMG7
modem: XXCMG7
changelist: 1210063
build date: 25 Jul 2013


download link:
link 1 (by sammobile)