NetBSD 1.4 / OpenBSD 2.5 / Solaris 7.0 - 'profil(2)' Modify The Internal Data Space

/ source: https://www.securityfocus.com/bid/570/info Some BSD's use a profil2 system call that dates back to "version 6" unix. This system call arranges for the kernel to sample the PC and increment an element of an array on every profile clock tick. The security issue stems from the fact that...