{"action":"Upgrade xen to 4.13.1-r4 or later.","affected":[{"fixed":"4.13.1-r4","introduced":"4.10.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.13.1-r4"],"id":"tcs_01M5NC8XFD0ZP7FCDETRKDT0B0","modified_at":"2026-09-11T10:17:51.389373477Z","published_at":"2020-07-07T13:15:10.180Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-15566","https://security.alpinelinux.org/vuln/CVE-2020-15566"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-15566#Alpine:v3.22/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-15566"}],"summary":"An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect error handling in event-channel port allocation. The allocation of an event-channel"}