{"id":"CVE-2022-42331","details":"x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks.","modified":"2026-03-15T22:44:15.972927Z","published":"2023-03-21T13:15:11.833Z","related":["SUSE-SU-2023:0845-1","SUSE-SU-2023:0846-1","SUSE-SU-2023:0847-1","SUSE-SU-2023:0848-1","SUSE-SU-2023:0848-2","SUSE-SU-2023:0858-1","SUSE-SU-2023:0859-1","SUSE-SU-2023:0862-1","openSUSE-SU-2024:12833-1"],"references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202402-07"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5378"},{"type":"ADVISORY","url":"https://xenbits.xenproject.org/xsa/advisory-429.txt"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2023/03/21/3"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-429.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5L6PM4RE7MUE6OWA32ZVOXCP235RM2TM/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APBMS2Q6746AXAFAITNJMGBNFGNMVLWR/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.5.0"},{"last_affected":"4.17.0"}]},{"events":[{"introduced":"0"},{"last_affected":"37"}]},{"events":[{"introduced":"0"},{"last_affected":"38"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-42331.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:N/A:N"}]}