CVE-2026-29647

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

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

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/OpenXiangShan/NEMU/issues/691 github.com: https://github.com/OpenXiangShan/XiangShan/pull/3978 docs.riscv.org: https://docs.riscv.org/reference/isa/priv/smstateen.html#state-enable-0-registers