{"action":"Upgrade xen to 4.15.1-r2 or later.","affected":[{"fixed":"4.15.1-r2","introduced":"4.7.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.15.1-r2"],"id":"tcs_01M5ND4JD6DKB5TPVZ3MQPM658","modified_at":"2026-10-23T17:17:56.177611398Z","published_at":"2021-11-24T01:15:08.030Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-28704","https://security.alpinelinux.org/vuln/CVE-2021-28704"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-28704#Alpine:v3.22/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-28704"}],"summary":"PoD operations on misaligned GFNs T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] x86 HVM and PVH guests may be started"}