CVE-2026-29647
Medium
Description
In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling.
SeverityMedium
CVSS6.5
Exploit probability—
Product
NEMU
PublishedApr 20, 2026
First seenApr 20, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| OpenXiangShan NEMU | No range specified | — |
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