If you have this urgency, you can install the debian unstable package, I used it for 2.6.18, it works.
wget http://ftp.debian.org/debian/pool/main/k/kernel-package/kernel- package_10.057_all.deb -- kernel_image target fails with kernel 2.6.18-rc https://launchpad.net/bugs/58570 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs