{"action":"Upgrade xen to 4.16.2+90-g0d39a6d1ae-1 or later.","affected":[{"fixed":"4.16.2+90-g0d39a6d1ae-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.16.2+90-g0d39a6d1ae-1"],"id":"tcs_01M5NGZMCPKWVQP9RJBZ4G2VZ6","modified_at":"2026-10-15T08:03:05.257061631Z","published_at":"2022-11-01T13:15:11.870Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-42321","https://security-tracker.debian.org/tracker/CVE-2022-42321"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-42321#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-42321"}],"summary":"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"}