{"id":"CVE-2023-38428","details":"An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/smb2pdu.c in ksmbd does not properly check the UserName value because it does not consider the address of security buffer, leading to an out-of-bounds read.","modified":"2026-03-13T07:40:20.954868Z","published":"2023-07-18T00:15:09.577Z","references":[{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230831-0001/"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=f0a96d1aafd8964e1f9955c830a3e5cb3c60a90f"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.15"},{"fixed":"5.15.113"}]},{"events":[{"introduced":"5.16"},{"fixed":"6.1.30"}]},{"events":[{"introduced":"6.2"},{"fixed":"6.3.4"}]},{"events":[{"introduced":"0"},{"fixed":"6.3.4"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-38428.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}