{"api_version":"1","generated_at":"2026-07-21T17:50:17+00:00","cve":"CVE-2026-64081","urls":{"html":"https://cve.report/CVE-2026-64081","api":"https://cve.report/api/cve/CVE-2026-64081.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64081","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64081"},"summary":{"title":"firmware: arm_ffa: Validate framework notification message layout","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Validate framework notification message layout\n\nFramework notifications carry an indirect message in the shared RX\nbuffer. 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64081","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 285a5ea0f542db94c3ed11e01a71abb47d15cbf5 3c51d99449dc5a01c08a7fce6071d6721f5aac83 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 285a5ea0f542db94c3ed11e01a71abb47d15cbf5 76eb90e2b03de147e12ab68ea8afd8ea0342df0a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 285a5ea0f542db94c3ed11e01a71abb47d15cbf5 4a1cc9e96b311d2609a6f963a5e35bd4ae730d97 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 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the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Validate framework notification message layout\n\nFramework notifications carry an indirect message in the shared RX\nbuffer. Validate the reported offset and size before using them, reject\nzero-length payloads, and ensure that any non-header payload starts at\nthe UUID field rather than in the middle of the message header.\n\nUse the validated offset and size values for both kmemdup() and the UUID\nparsing path so malformed firmware data cannot drive an out-of-bounds\nread or an oversized allocation."}],"metrics":[{"cvssV3_1":{"baseScore":8.4,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:43:07.436Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3c51d99449dc5a01c08a7fce6071d6721f5aac83"},{"url":"https://git.kernel.org/stable/c/76eb90e2b03de147e12ab68ea8afd8ea0342df0a"},{"url":"https://git.kernel.org/stable/c/4a1cc9e96b311d2609a6f963a5e35bd4ae730d97"}],"title":"firmware: arm_ffa: Validate framework notification message layout","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64081","datePublished":"2026-07-19T15:39:53.433Z","dateReserved":"2026-07-19T07:54:57.031Z","dateUpdated":"2026-07-20T13:43:07.436Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:48","lastModifiedDate":"2026-07-20 15:17:07","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:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.4,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.5,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64081","Ordinal":"1","Title":"firmware: arm_ffa: Validate framework notification message layou","CVE":"CVE-2026-64081","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64081","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Validate framework notification message layout\n\nFramework notifications carry an indirect message in the shared RX\nbuffer. Validate the reported offset and size before using them, reject\nzero-length payloads, and ensure that any non-header payload starts at\nthe UUID field rather than in the middle of the message header.\n\nUse the validated offset and size values for both kmemdup() and the UUID\nparsing path so malformed firmware data cannot drive an out-of-bounds\nread or an oversized allocation.","Type":"Description","Title":"firmware: arm_ffa: Validate framework notification message layou"}]}}}