[steveklabnik]

CHERI: https://www.cl.cam.ac.uk/research/security/ctsrd/cheri/

> CHERI extends conventional hardware Instruction-Set Architectures (ISAs) with new architectural features to enable fine-grained memory protection and highly scalable software compartmentalization. The CHERI memory-protection features allow historically memory-unsafe programming languages such as C and C++ to be adapted to provide strong, compatible, and efficient protection against many currently widely exploited vulnerabilities.

CHERIoT is work towards bringing similar things to RISC-V for IoT use-cases.