A vestige of Linux's SMP past is still making trouble for users of heavily loaded systems. Developers say the solution isn't to fix the Big Kernel Lock, but to uproot it entirely.

Researchers say a 18-year-old programming error by Microsoft is creating a kernel bug that can be abused by an attacker.

By programming all functionality in the kernel, we can make gains in performance. The data corresponding to any application that sends or receives packets is copied from user mode to kernel mode and ...