{"action":"Upgrade xen to 4.13.1-r2 or later.","affected":[{"fixed":"4.13.1-r2","introduced":"4.10.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.11","exploited":false,"fixed_versions":["4.13.1-r2"],"id":"tcs_01M5NC8VENGK6950AXEG4EC3T3","modified_at":"2026-10-26T11:17:55.134500978Z","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:v3.11/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"}