{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-29647", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-04-20T20:49:54.460Z", "dateReserved": "2026-03-04T00:00:00.000Z", "datePublished": "2026-04-20T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-20T20:49:54.460Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/OpenXiangShan/NEMU/issues/691"}, {"url": "https://github.com/OpenXiangShan/XiangShan/pull/3978"}, {"url": "https://docs.riscv.org/reference/isa/priv/smstateen.html#state-enable-0-registers"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-29647", "lastModified": "2026-04-20T21:16:19.637", "metrics": {}, "published": "2026-04-20T21:16:19.637", "references": [{"source": "cve@mitre.org", "url": "https://docs.riscv.org/reference/isa/priv/smstateen.html#state-enable-0-registers"}, {"source": "cve@mitre.org", "url": "https://github.com/OpenXiangShan/NEMU/issues/691"}, {"source": "cve@mitre.org", "url": "https://github.com/OpenXiangShan/XiangShan/pull/3978"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{}