CVE-2026-29648 - OpenXiangShan NEMU Smstateen Information Disclosure/Privilege Escalation
CVE ID :CVE-2026-29648
Published : April 20, 2026, 9:16 p.m. | 56 minutes ago
Description :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 controls in virtualized or multi-privilege environments.
Severity: 0.0 | NA
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Published : April 20, 2026, 9:16 p.m. | 56 minutes ago
Description :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 controls in virtualized or multi-privilege environments.
Severity: 0.0 | NA
Visit the link for more details, such as CVSS details, affected products, timeline, and more...