{"action":"Upgrade xen to 4.16.0+51-g0941d6cb-1 or later.","affected":[{"fixed":"4.16.0+51-g0941d6cb-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.16.0+51-g0941d6cb-1"],"id":"tcs_01M5NGGMP04XZ48HPDCKRR019T","modified_at":"2026-10-15T08:02:07.506482799Z","published_at":"2022-01-25T14:15:09.010Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-23034","https://security-tracker.debian.org/tracker/CVE-2022-23034"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-23034#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-23034"}],"summary":"A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can requ"}