CVE-2025-45006

Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Published 2025-07-01. Last modified 2026-06-17.