CVE-2026-29646
Critical · 9.8CVSS
9.8
EPSS
0.7%
Published
Apr 20, 2026
CISA due date
—
The record
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 can lead to denial of service or privilege-boundary violation in environments relying on NEMU for correct interrupt virtualization.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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