CVE-2026-29647

CVSS 6.5 MEDIUMEPSS 0.2%CWE-269

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Produtos afetados

n/a · n/a

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Referências

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