CVE-2026-29646
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | n/a |
| Product | n/a |
| Published | Apr 20, 2026 |
| Last Updated | Apr 20, 2026 |
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Affected Versions
n/a / n/a
n/a
References
docs.riscv.org: https://docs.riscv.org/reference/isa/priv/machine.html github.com: https://github.com/OpenXiangShan/NEMU/issues/951 github.com: https://github.com/OpenXiangShan/NEMU/pull/938 github.com: https://github.com/OpenXiangShan/NEMU/pull/938/commits/55295c46580456d8d5a9d5736e1fda924b8825ab docs.riscv.org: https://docs.riscv.org/reference/isa/unpriv/zicsr.html docs.riscv.org: https://docs.riscv.org/reference/isa/priv/supervisor.html docs.riscv.org: https://docs.riscv.org/reference/isa/priv/hypervisor.html