CVE-2026-29647

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Summary

CVECVE-2026-29647
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-20 21:16:19 UTC
Updated2026-04-20 21:16:19 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: n/a

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
docs.riscv.org/reference/isa/priv/smstateen.html [email protected] docs.riscv.org
github.com/OpenXiangShan/NEMU/issues/691 [email protected] github.com
github.com/OpenXiangShan/XiangShan/pull/3978 [email protected] github.com
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