{"action":"Upgrade xen to 4.15.1-r1 or later.","affected":[{"fixed":"4.15.1-r1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.15.1-r1"],"id":"tcs_01M5ND4Z1FFCG5G307SFFS24Z2","modified_at":"2026-10-23T17:17:56.178658036Z","published_at":"2021-11-21T15:15:07.597Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-28710","https://security.alpinelinux.org/vuln/CVE-2021-28710"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-28710#Alpine:v3.22/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-28710"}],"summary":"certain VT-d IOMMUs may not work in shared page table mode For efficiency reasons, address translation control structures (page tables) may (and, on suitable hardware, by default will) be shared betwe"}