It seems that there is a security issue in the kernel, I don't know if RH 7.x kernels are effected.
Here is more info and a patch:
http://www.hardrock.org/kernel/current-updates/duplicate-pid-fix-2.4.23.patch
Cheers Johnny
It seems that there is a security issue in the kernel, I don't know if RH 7.x kernels are effected.