{"id":"CVE-2025-68806","summary":"ksmbd: fix buffer validation by including null terminator size in EA length","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix buffer validation by including null terminator size in EA length\n\nThe smb2_set_ea function, which handles Extended Attributes (EA),\nwas performing buffer validation checks that incorrectly omitted the size\nof the null terminating character (+1 byte) for EA Name.\nThis patch fixes the issue by explicitly adding '+ 1' to EaNameLength where\nthe null terminator is expected to be present in the buffer, ensuring\nthe validation accurately reflects the total required buffer size.","modified":"2026-03-20T12:46:29.464305Z","published":"2026-01-13T15:29:13.797Z","related":["MGASA-2026-0017","MGASA-2026-0018"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68806.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6dc8cf6e7998ef7aeb9383a4c2904ea5d22fa2e4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/95d7a890e4b03e198836d49d699408fd1867cb55"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a28a375a5439eb474e9f284509a407efb479c925"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cae52c592a07e1d3fa3338a5f064a374a5f26750"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d26af6d14da43ab92d07bc60437c62901dc522e6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68806.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68806"},{"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":"d070c4dd2a5bed4e9832eec5b6c029c7d14892ea"},{"fixed":"cae52c592a07e1d3fa3338a5f064a374a5f26750"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0ba5439d9afa2722e7728df56f272c89987540a4"},{"fixed":"a28a375a5439eb474e9f284509a407efb479c925"},{"fixed":"d26af6d14da43ab92d07bc60437c62901dc522e6"},{"fixed":"6dc8cf6e7998ef7aeb9383a4c2904ea5d22fa2e4"},{"fixed":"95d7a890e4b03e198836d49d699408fd1867cb55"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"bb5bf157b5be1643cccc7cbbe57fcdef9ae52c2c"},{"last_affected":"1a13ecb96230e8b7b91967e292836f7b01ec8111"},{"last_affected":"404e7c01e16288b5e0171d1d8fd3328e806d0794"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-68806.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.120"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.6.0"},{"fixed":"6.12.64"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.18.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-68806.json"}}],"schema_version":"1.7.5"}