{"action":"Upgrade xen to 4.9.0-r0 or later.","affected":[{"fixed":"4.9.0-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.9","exploited":false,"fixed_versions":["4.9.0-r0"],"id":"tcs_01M5N8WE38AP0FMP6CTV13A8A0","modified_at":"2026-06-15T18:18:06.726256962Z","published_at":"2017-07-05T01:29:00.707Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2017-10916","https://security.alpinelinux.org/vuln/CVE-2017-10916"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2017-10916#Alpine:v3.9/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2017-10916"}],"summary":"The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users"}