NEMU 安全漏洞

NEMU is an open-source teaching system simulator developed by XiangShan. Previous versions of NEMU 55295c4 contained security vulnerabilities. These vulnerabilities stemmed from improper handling of writes to sie CSR when the RVH extension was enabled. This improper handling could affect the...

CVE-2026-29646: Privilege Defined With Unsafe Actions

In OpenXiangShan NEMU prior to 55295c4, when running with RVH Hypervisor extension enabled, a VS-mode guest write to the supervisor interrupt-enable CSR sie may be handled incorrectly and can influence machine-level interrupt enable state mie. This breaks privilege/virtualization isolation and ca...