{"action":"Upgrade xen to 4.15.0-r3 or later.","affected":[{"fixed":"4.15.0-r3","introduced":"4.0.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["4.15.0-r3"],"id":"tcs_01M5ND49D31TW20AFZMBXGMPJ4","modified_at":"2026-10-23T17:17:56.175886415Z","published_at":"2021-09-08T14:15:08.547Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-28701","https://security.alpinelinux.org/vuln/CVE-2021-28701"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-28701#Alpine:v3.18/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-28701"}],"summary":"Another race in XENMAPSPACE_grant_table handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire"}