$ sudo dkms install vboxhost/4.1.18

Kernel preparation unnecessary for this kernel.  Skipping...

Building module:
cleaning build area....
make KERNELRELEASE=3.5.2-1-ck -C /usr/lib/modules/3.5.2-1-ck/build M=/var/lib/dkms/vboxhost/4.1.18/build........
cleaning build area....

DKMS: build completed.

vboxdrv.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /usr/lib/modules/3.5.2-1-ck/kernel/misc/

vboxnetflt.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /usr/lib/modules/3.5.2-1-ck/kernel/misc/

vboxnetadp.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /usr/lib/modules/3.5.2-1-ck/kernel/misc/

vboxpci.ko:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /usr/lib/modules/3.5.2-1-ck/kernel/misc/

depmod....

DKMS: install completed.