CVE-2026-29648

In OpenXiangShan NEMU, when Smstateen is enabled, clearing mstateen0.ENVCFG does not correctly restrict access to henvcfg and senvcfg. As a result, less-privileged code may read or write these CSRs without the required exception, potentially bypassing intended state-enable based isolation control...

CVE-2026-29648: Improper Privilege Management

In OpenXiangShan NEMU, when Smstateen is enabled, clearing mstateen0.ENVCFG does not correctly restrict access to henvcfg and senvcfg. As a result, less-privileged code may read or write these CSRs without the required exception, potentially bypassing intended state-enable based isolation control...

NEMU 安全漏洞

NEMU is an open-source teaching system simulator developed by XiangShan. NEMU has a security vulnerability. This vulnerability arises when Smstateen is enabled, and the clearing of mstateen0.ENVCFG fails to properly restrict access to henvcfg and senvcfg. This may allow low-privilege code to bypa...

PT-2026-33841

In OpenXiangShan NEMU, when Smstateen is enabled, clearing mstateen0.ENVCFG does not correctly restrict access to henvcfg and senvcfg. As a result, less-privileged code may read or write these CSRs without the required exception, potentially bypassing intended state-enable based isolation control...