Improper mstatus.SUM bit retention (non-zero) in Open-Source RISC-V Processor commit f517abb violates privileged spec constraints, enabling potential physical memory access attacks.Referenceshttps://github.com/chipsalliance/rocket-chip.githttps://lf-riscv.atlassian.net/wiki/spaces/HOME/pages/16154769/RISC-V+Technical+Specifications#ISA-Specificationshttps://github.com/heyfenny/Vulnerability_disclosure/blob/main/RISCV/Rocket-chip/CVE-2025-45006/details.md