{"id":"CVE-2023-2598","details":"A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.","modified":"2026-03-14T11:59:24.212552Z","published":"2023-06-01T01:15:17.867Z","references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/04/24/3"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230703-0006/"},{"type":"ADVISORY","url":"https://www.openwall.com/lists/oss-security/2023/05/08/3"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"6.3"},{"fixed":"6.3.2"}]},{"events":[{"introduced":"0"},{"last_affected":"h300s"}]},{"events":[{"introduced":"0"},{"last_affected":"h410c"}]},{"events":[{"introduced":"0"},{"last_affected":"h410s"}]},{"events":[{"introduced":"0"},{"last_affected":"h500s"}]},{"events":[{"introduced":"0"},{"last_affected":"h700s"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2598.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}