{"action":"Upgrade xen to 4.8.1-r2 or later.","affected":[{"fixed":"4.8.1-r2","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.11","exploited":false,"fixed_versions":["4.8.1-r2"],"id":"tcs_01M5N9TYJCF14DEW57ZHNF94P8","modified_at":"2026-06-15T18:18:07.083461563Z","published_at":"2017-05-11T19:29:00.227Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2017-8903","https://security.alpinelinux.org/vuln/CVE-2017-8903"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2017-8903#Alpine:v3.11/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2017-8903"}],"summary":"Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213."}