{"cve":"CVE-2026-63897","nvd":{"published":"2026-07-19T16:17:07.243","modified":"2026-10-30T14:38:41.577","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: mct_u232: fix missing interrupt-in transfer sanity check\n\nAdd the missing sanity check on the size of interrupt-in transfers to\navoid parsing stale or uninitialised slab data (and leaking it to user\nspace).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8","https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832","https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0","https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418","https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-30T15:05:48.213661142+00:00"},"epss":{"cve":"CVE-2026-63897","score":0.00226,"percentile":0.13306,"date":"2026-10-30"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}