{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43150", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.989Z", "datePublished": "2026-05-06T11:27:32.359Z", "dateUpdated": "2026-05-06T11:27:32.359Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:27:32.359Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/perf/arm-cmn.c"], "versions": [{"version": "28fa550a49e818d6445e787f584759b1bf21d9d4", "lessThan": "7e2c200010aa93fa78201da959b4ac6b9f8fed0b", "status": "affected", "versionType": "git"}, {"version": "7819e05a0dceac20c5ff78ec9b252faf3b76b824", "lessThan": "d3e837e11ee9ed08df229272319199003ba00379", "status": "affected", "versionType": "git"}, {"version": "7819e05a0dceac20c5ff78ec9b252faf3b76b824", "lessThan": "00d69f21ef2ab00e6156c764d89e2b3539eb2f33", "status": "affected", "versionType": "git"}, {"version": "7819e05a0dceac20c5ff78ec9b252faf3b76b824", "lessThan": "08c7eadd8a934a1968e1aeeee8b61b853b99fb3a", "status": "affected", "versionType": "git"}, {"version": "7819e05a0dceac20c5ff78ec9b252faf3b76b824", "lessThan": "a251d866f50b6a4c95901fa722025065679c2eca", "status": "affected", "versionType": "git"}, {"version": "7819e05a0dceac20c5ff78ec9b252faf3b76b824", "lessThan": "36c0de02575ce59dfd879eb4ef63d53a68bbf9ce", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/perf/arm-cmn.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.63", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.0"}]}]}], "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"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-43150", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T12:16:32.690", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/00d69f21ef2ab00e6156c764d89e2b3539eb2f33"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/08c7eadd8a934a1968e1aeeee8b61b853b99fb3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/36c0de02575ce59dfd879eb4ef63d53a68bbf9ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e2c200010aa93fa78201da959b4ac6b9f8fed0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a251d866f50b6a4c95901fa722025065679c2eca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d3e837e11ee9ed08df229272319199003ba00379"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: perf/arm-cmn: Reject unsupported hardware configurations", "id": "2467166", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467166"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-131", "details": ["A flaw was found in the Linux kernel. This vulnerability occurs when the kernel's `perf/arm-cmn` component encounters unsupported hardware configurations, such as unknown Coherent Mesh Network (CMN) models or revisions. The kernel makes assumptions about hardware sizes, and if these are violated, it can lead to array overflows. This could result in memory corruption, potentially affecting system stability and integrity."], "name": "CVE-2026-43150", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43150\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43150\nhttps://lore.kernel.org/linux-cve-announce/2026050628-CVE-2026-43150-987f@gregkh/T"], "threat_severity": "Moderate"}