Die-hard bug bytes Linux kernel for second time

The Linux kernel has been purged of a bug that gave root access to untrusted users – again.The vulnerability in a component of the operating system that translates values from 64 bits to 32 bits (and vice versa) was fixed once before – in 2007 with the release of version 2.6.22.7. But several months later, developers inadvertently rolled back the change, once again leaving the OS open to attacks