{"api_version":"1","generated_at":"2026-05-13T07:40:32+00:00","cve":"CVE-2026-43150","urls":{"html":"https://cve.report/CVE-2026-43150","api":"https://cve.report/api/cve/CVE-2026-43150.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43150","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43150"},"summary":{"title":"perf/arm-cmn: Reject unsupported hardware configurations","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/arm-cmn: Reject unsupported hardware configurations\n\nSo far we've been fairly lax about accepting both unknown CMN models\n(at least with a warning), and unknown revisions of those which we\ndo know, as although things do frequently change between releases,\ntypically enough remains the same to be somewhat useful for at least\nsome basic bringup checks. However, we also make assumptions of the\nmaximum supported sizes and numbers of things in various places, and\nthere's no guarantee that something new might not be bigger and lead\nto nasty array overflows. Make sure we only try to run on things that\nactually match our assumptions and so will not risk memory corruption.\n\nWe have at least always failed on completely unknown node types, so\nupdate that error message for clarity and consistency too.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:32","updated_at":"2026-05-08 13:16:41"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/00d69f21ef2ab00e6156c764d89e2b3539eb2f33","name":"https://git.kernel.org/stable/c/00d69f21ef2ab00e6156c764d89e2b3539eb2f33","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08c7eadd8a934a1968e1aeeee8b61b853b99fb3a","name":"https://git.kernel.org/stable/c/08c7eadd8a934a1968e1aeeee8b61b853b99fb3a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d3e837e11ee9ed08df229272319199003ba00379","name":"https://git.kernel.org/stable/c/d3e837e11ee9ed08df229272319199003ba00379","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a251d866f50b6a4c95901fa722025065679c2eca","name":"https://git.kernel.org/stable/c/a251d866f50b6a4c95901fa722025065679c2eca","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7e2c200010aa93fa78201da959b4ac6b9f8fed0b","name":"https://git.kernel.org/stable/c/7e2c200010aa93fa78201da959b4ac6b9f8fed0b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/36c0de02575ce59dfd879eb4ef63d53a68bbf9ce","name":"https://git.kernel.org/stable/c/36c0de02575ce59dfd879eb4ef63d53a68bbf9ce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43150","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43150","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 28fa550a49e818d6445e787f584759b1bf21d9d4 7e2c200010aa93fa78201da959b4ac6b9f8fed0b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7819e05a0dceac20c5ff78ec9b252faf3b76b824 d3e837e11ee9ed08df229272319199003ba00379 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7819e05a0dceac20c5ff78ec9b252faf3b76b824 00d69f21ef2ab00e6156c764d89e2b3539eb2f33 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7819e05a0dceac20c5ff78ec9b252faf3b76b824 08c7eadd8a934a1968e1aeeee8b61b853b99fb3a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nperf/arm-cmn: Reject unsupported hardware configurations\n\nSo far we've been fairly lax about accepting both unknown CMN models\n(at least with a warning), and unknown revisions of those which we\ndo know, as although things do frequently change between releases,\ntypically enough remains the same to be somewhat useful for at least\nsome basic bringup checks. However, we also make assumptions of the\nmaximum supported sizes and numbers of things in various places, and\nthere's no guarantee that something new might not be bigger and lead\nto nasty array overflows. Make sure we only try to run on things that\nactually match our assumptions and so will not risk memory corruption.\n\nWe have at least always failed on completely unknown node types, so\nupdate that error message for clarity and consistency too."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-05-08T12:40:51.562Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7e2c200010aa93fa78201da959b4ac6b9f8fed0b"},{"url":"https://git.kernel.org/stable/c/d3e837e11ee9ed08df229272319199003ba00379"},{"url":"https://git.kernel.org/stable/c/00d69f21ef2ab00e6156c764d89e2b3539eb2f33"},{"url":"https://git.kernel.org/stable/c/08c7eadd8a934a1968e1aeeee8b61b853b99fb3a"},{"url":"https://git.kernel.org/stable/c/a251d866f50b6a4c95901fa722025065679c2eca"},{"url":"https://git.kernel.org/stable/c/36c0de02575ce59dfd879eb4ef63d53a68bbf9ce"}],"title":"perf/arm-cmn: Reject unsupported hardware configurations","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43150","datePublished":"2026-05-06T11:27:32.359Z","dateReserved":"2026-05-01T14:12:55.989Z","dateUpdated":"2026-05-08T12:40:51.562Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:32","lastModifiedDate":"2026-05-08 13:16:41","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43150","Ordinal":"1","Title":"perf/arm-cmn: Reject unsupported hardware configurations","CVE":"CVE-2026-43150","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43150","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/arm-cmn: Reject unsupported hardware configurations\n\nSo far we've been fairly lax about accepting both unknown CMN models\n(at least with a warning), and unknown revisions of those which we\ndo know, as although things do frequently change between releases,\ntypically enough remains the same to be somewhat useful for at least\nsome basic bringup checks. However, we also make assumptions of the\nmaximum supported sizes and numbers of things in various places, and\nthere's no guarantee that something new might not be bigger and lead\nto nasty array overflows. Make sure we only try to run on things that\nactually match our assumptions and so will not risk memory corruption.\n\nWe have at least always failed on completely unknown node types, so\nupdate that error message for clarity and consistency too.","Type":"Description","Title":"perf/arm-cmn: Reject unsupported hardware configurations"}]}}}