{"id":"CVE-2022-42321","details":"Xenstore: Guests can crash xenstored via exhausting the stack Xenstored is using recursion for some Xenstore operations (e.g. for deleting a sub-tree of Xenstore nodes). With sufficiently deep nesting levels this can result in stack exhaustion on xenstored, leading to a crash of xenstored.","modified":"2026-03-13T06:00:53.632058Z","published":"2022-11-01T13:15:11.870Z","related":["SUSE-SU-2022:3925-1","SUSE-SU-2022:3928-1","SUSE-SU-2022:3947-1","SUSE-SU-2022:3960-1","SUSE-SU-2022:3971-1","SUSE-SU-2022:4007-1","SUSE-SU-2022:4051-1","SUSE-SU-2022:4241-1","SUSE-SU-2022:4332-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202402-07"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5272"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2022/11/01/8"},{"type":"FIX","url":"https://xenbits.xenproject.org/xsa/advisory-418.txt"},{"type":"FIX","url":"http://xenbits.xen.org/xsa/advisory-418.html"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"11.0"}]},{"events":[{"introduced":"0"},{"last_affected":"35"}]},{"events":[{"introduced":"0"},{"last_affected":"36"}]},{"events":[{"introduced":"0"},{"last_affected":"37"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-42321.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"}]}