{"action":"Upgrade xen to 4.12.2-r0 or later.","affected":[{"fixed":"4.12.2-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.10","exploited":false,"fixed_versions":["4.12.2-r0"],"id":"tcs_01M5NBKFMKSBDPNPJSPJ2709CE","modified_at":"2026-09-21T06:17:52.509158361Z","published_at":"2019-12-11T18:16:19.397Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2019-19580","https://security.alpinelinux.org/vuln/CVE-2019-19580"],"severity":{"label":"medium","score":6.6},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2019-19580","url":"https://osv.dev/vulnerability/ALPINE-CVE-2019-19580"}],"summary":"An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to gain host OS privileges by leveraging race conditions in pagetable promotion and demotion operations, because of an inco"}