{"action":"Upgrade xen to 4.21.0-r3 or later.","affected":[{"fixed":"4.21.0-r3","introduced":"4.17"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["4.21.0-r3"],"id":"tcs_01M5NFKRAZW28TNNEMAD5RBKZZ","modified_at":"2026-10-01T02:17:49.211000646Z","published_at":"2026-03-23T07:16:07.200Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-23554","https://security.alpinelinux.org/vuln/CVE-2026-23554"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-23554#Alpine:v3.24/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-23554"}],"summary":"The Intel EPT paging code uses an optimization to defer flushing of any cached"}