{"id":"CVE-2025-39943","summary":"ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer\n\nIf data_offset and data_length of smb_direct_data_transfer struct are\ninvalid, out of bounds issue could happen.\nThis patch validate data_offset and data_length field in recv_done.","modified":"2026-04-16T04:43:56.980337428Z","published":"2025-10-04T07:31:05.581Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39943.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48"},{"type":"WEB","url":"https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39943.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-39943"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2ea086e35c3d726a3bacd0a971c1f02a50e98206"},{"fixed":"773fddf976d282ef059c36c575ddb81567acd6bc"},{"fixed":"bdaab5c6538e250a9654127e688ecbbeb6f771d5"},{"fixed":"eb0378dde086363046ed3d7db7f126fc3f76fd70"},{"fixed":"8be498fcbd5b07272f560b45981d4b9e5a2ad885"},{"fixed":"529b121b00a6ee3c88fb3c01b443b2b81f686d48"},{"fixed":"5282491fc49d5614ac6ddcd012e5743eecb6a67c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39943.json"}}],"schema_version":"1.7.5"}