kernel: missing capability checks in sbni_ioctl()

The sbniioctl function in drivers/net/wan/sbni.c in the wan subsystem in the Linux kernel 2.6.26.3 does not check for the CAPNETADMIN capability before processing a 1 SIOCDEVRESINSTATS, 2 SIOCDEVSHWSTATE, 3 SIOCDEVENSLAVE, or 4 SIOCDEVEMANSIPATE ioctl request, which allows local users to bypass...