{"id":"CVE-2023-23003","details":"In the Linux kernel before 5.16, tools/perf/util/expr.c lacks a check for the hashmap__new return value.","modified":"2026-03-14T12:02:12.861426Z","published":"2023-03-01T20:15:14.233Z","references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230331-0003/"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/0a515a06c5ebfa46fee3ac519e418f801e718da4"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.16"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-23003.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H"}]}