{"schema_version":"1.9.0","id":"CVE-2026-63963","published":"2026-07-19T14:55:52.388Z","modified":"2026-08-27T18:26:03.105827145Z","related":["SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","openSUSE-SU-2026:21555-1"],"summary":"usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: validate VDO count in Discover Identity ACK handlers\n\nProperly validate the count passed from a device when calling\nsvdm_consume_identity() or svdm_consume_identity_sop_prime() as the\ndevice-controlled value could index off of the static arrays, which\ncould leak data.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f0690a25a140b853b1842fa80faf828601bb47e8"},{"fixed":"569f7971542eb10025d8a0989b83f28a29d8ba20"},{"fixed":"f9d787fbe83127105e42088cca40e5118db0d810"},{"fixed":"ed8649f3822e211d025bcab5158af6f8a38c8705"},{"fixed":"8fbc349e8383125dd2d8de1c1e926279d398ab17"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63963.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.12.0"},{"fixed":"6.12.93"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.35"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63963.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8fbc349e8383125dd2d8de1c1e926279d398ab17"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ed8649f3822e211d025bcab5158af6f8a38c8705"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f9d787fbe83127105e42088cca40e5118db0d810"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63963.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63963"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63963.json"}}