Grsecurity is a suite of patches released under the GNU General Public License, available for the Linux kernel and will help with the security enhancements for Linux. This suite of patches offers four main benefits:
Configuration-free operations
Protection against a large variety of address space change bugs
It includes an access control list system and a number of auditing systems that are quite comprehensive to meet all sorts of demands
It is able to interact with multiple operating systems and processor architectures
The grsecurity software is free and its development began in 2001, by first porting a number of security enhancing patches from the Openwall Project. It was first released for the 2.4.1 Linux kernel version and since then, development has continued. Over time, it included a PaX bundle of patches that offered the possibility of protecting memory pages. This is done by using a least-privilege approach, which implies that for the execution of a program, no more than the...