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endpoint","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-63899","datePublished":"2026-07-19T14:55:08.116Z","dateReserved":"2026-07-19T07:54:57.019Z","dateUpdated":"2026-07-19T14:55:08.116Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:07","lastModifiedDate":"2026-07-19 16:17:07","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"63899","Ordinal":"1","Title":"USB: serial: mxuport: fix memory corruption with small endpoint","CVE":"CVE-2026-63899","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"63899","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: mxuport: fix memory corruption with small endpoint\n\nMake sure that the bulk-out endpoint max packet size is at least eight\nbytes to avoid user-controlled slab corruption should a malicious device\nreport a smaller size.","Type":"Description","Title":"USB: serial: mxuport: fix memory corruption with small endpoint"}]}}}