{"api_version":"1","generated_at":"2026-07-22T12:32:30+00:00","cve":"CVE-2026-63956","urls":{"html":"https://cve.report/CVE-2026-63956","api":"https://cve.report/api/cve/CVE-2026-63956.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-63956","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63956"},"summary":{"title":"USB: serial: cypress_m8: fix memory corruption with small endpoint","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: cypress_m8: fix memory corruption with small endpoint\n\nMake sure that the interrupt-out endpoint max packet size is at least\neight bytes to avoid user-controlled slab corruption or NULL-pointer\ndereference should a malicious device report a smaller size.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:14","updated_at":"2026-07-19 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the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: cypress_m8: fix memory corruption with small endpoint\n\nMake sure that the interrupt-out endpoint max packet size is at least\neight bytes to avoid user-controlled slab corruption or NULL-pointer\ndereference should a malicious device report a smaller size."}],"providerMetadata":{"dateUpdated":"2026-07-19T14:55:47.597Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4fcb22218f0a7229b7ce3b3952fb644def293fa5"},{"url":"https://git.kernel.org/stable/c/ad3d1628a46134276546d7a12fedf04be9979158"},{"url":"https://git.kernel.org/stable/c/52e18ae0c47c5c89e18fcd8022f287f7cc8802ec"},{"url":"https://git.kernel.org/stable/c/4bcaa59f403dbde6328604a500d65ee8d40975d9"},{"url":"https://git.kernel.org/stable/c/1ef25704bd3b625fd151c09feee459479f71ee64"},{"url":"https://git.kernel.org/stable/c/284105c40fc31fff90cdab8a0377aaeb92f87f0e"},{"url":"https://git.kernel.org/stable/c/6c13f3bb652bc8665e709ba07122612586aea648"},{"url":"https://git.kernel.org/stable/c/e1a9d791fd66ab2431b9e6f6f835823809869047"}],"title":"USB: serial: cypress_m8: fix memory corruption with small endpoint","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63956","datePublished":"2026-07-19T14:55:47.597Z","dateReserved":"2026-07-19T07:54:57.023Z","dateUpdated":"2026-07-19T14:55:47.597Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:14","lastModifiedDate":"2026-07-19 16:17:14","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63956","Ordinal":"1","Title":"USB: serial: cypress_m8: fix memory corruption with small endpoi","CVE":"CVE-2026-63956","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63956","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: cypress_m8: fix memory corruption with small endpoint\n\nMake sure that the interrupt-out endpoint max packet size is at least\neight bytes to avoid user-controlled slab corruption or NULL-pointer\ndereference should a malicious device report a smaller size.","Type":"Description","Title":"USB: serial: cypress_m8: fix memory corruption with small endpoi"}]}}}