{"action":"Upgrade xen to 4.7.1-r1 or later.","affected":[{"fixed":"4.7.1-r1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["4.7.1-r1"],"id":"tcs_01M5N8PBBAWFZ7PCABR93PGS9B","modified_at":"2026-09-22T06:17:50.250623058Z","published_at":"2017-01-23T21:59:02.800Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2016-9381","https://security.alpinelinux.org/vuln/CVE-2016-9381"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2016-9381#Alpine:v3.17/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2016-9381"}],"summary":"Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a \"double fetch\" vulnerability."}