{"action":"Upgrade xen to 4.16.1-r0 or later.","affected":[{"fixed":"4.16.1-r0","introduced":"3.2.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["4.16.1-r0"],"id":"tcs_01M5NDT50HDQC3TDF04PD4R95X","modified_at":"2026-10-15T07:17:54.164765883Z","published_at":"2022-01-25T14:15:09.010Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2022-23034","https://security.alpinelinux.org/vuln/CVE-2022-23034"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2022-23034#Alpine:v3.20/xen","url":"https://osv.dev/vulnerability/ALPINE-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"}