Remote Linux Kernel < 2.4.21 DoS in XDR routine.

Hello all, I have discovered a signed/unsigned issue in a routine responsible for demarshalling XDR data for NFSv3 procedure calls. As far as I can tell, this bug has existed since NFSv3 support was integrated. It has been silently fixed in 2.4.21. The bug is in the decodefh routine of...