the rpm fails --checksig and doesn't boot.
the one on our master ftp seems OK:
kernel-smp-2.2.5-22.i686.rpm, size 4315438
rpm -K says:
kernel-smp-2.2.5-22.i686.rpm: size pgp md5 OK
I have downloaded the new kernel. It passed the signature etc, and
installed and booted fine.