fib_semantics.c out of bounds access vulnerability

A typo in Linux kernel 2.6 before 2.6.21-rc6 and 2.4 before 2.4.35 causes RTAMAX to be used as an array size instead of RTNMAX, which leads to an "out of bound access" by the 1 dnfibprops dnfib.c, DECNet and 2 fibprops fibsemantics.c, IPv4 functions...