Changes have been accepted in OpenBSD for additional protection of process memory.
Theo de Raadt has added a series of patches to the OpenBSD codebase for enhanced memory protection of processes in user space. Developers have been proposed a new system call and a related library function named mimmutable, which allows for the locking of access rights when reflecting in memory (memory mappings). After locking, the rights assigned to the memory area, such as write prohibition […]
