136 lines
5.3 KiB
JSON
136 lines
5.3 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveMetadata": {
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"state": "PUBLISHED",
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"cveId": "CVE-2026-29646",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"assignerShortName": "mitre",
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"dateUpdated": "2026-04-21T19:50:49.314Z",
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"dateReserved": "2026-03-04T00:00:00.000Z",
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"datePublished": "2026-04-20T00:00:00.000Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2026-04-20T20:39:23.730Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "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."
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}
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],
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"affected": [
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{
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"vendor": "n/a",
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"product": "n/a",
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"versions": [
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{
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"version": "n/a",
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"status": "affected"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://docs.riscv.org/reference/isa/priv/machine.html"
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},
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{
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"url": "https://github.com/OpenXiangShan/NEMU/issues/951"
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},
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{
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"url": "https://github.com/OpenXiangShan/NEMU/pull/938"
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},
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{
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"url": "https://github.com/OpenXiangShan/NEMU/pull/938/commits/55295c46580456d8d5a9d5736e1fda924b8825ab"
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},
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{
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"url": "https://docs.riscv.org/reference/isa/unpriv/zicsr.html"
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},
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{
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"url": "https://docs.riscv.org/reference/isa/priv/supervisor.html"
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},
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{
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"url": "https://docs.riscv.org/reference/isa/priv/hypervisor.html"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "text",
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"lang": "en",
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"description": "n/a"
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}
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]
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}
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]
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},
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"adp": [
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{
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-267",
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"lang": "en",
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"description": "CWE-267 Privilege Defined With Unsafe Actions"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 9.8,
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"attackVector": "NETWORK",
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"baseSeverity": "CRITICAL",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-04-21T13:53:04.119813Z",
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"id": "CVE-2026-29646",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-04-21T19:50:49.314Z"
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}
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}
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]
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},
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"dataVersion": "5.2"
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} |