{"id":"CVE-2022-47942","details":"An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.","modified":"2026-03-13T06:47:40.164598Z","published":"2022-12-23T16:15:12.863Z","references":[{"type":"ADVISORY","url":"https://www.zerodayinitiative.com/advisories/ZDI-22-1688/"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2022/12/23/10"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"5.15"},{"fixed":"5.15.62"}]},{"events":[{"introduced":"5.16"},{"fixed":"5.18.18"}]},{"events":[{"introduced":"5.19"},{"fixed":"5.19.2"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-47942.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}