{"action":"Upgrade xen to 4.11.4-r2 or later.","affected":[{"fixed":"4.11.4-r2","introduced":"4.4.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.9","exploited":false,"fixed_versions":["4.11.4-r2"],"id":"tcs_01M5NCEK8MM803X8EP7N2006NZ","modified_at":"2026-10-26T11:17:55.152913668Z","published_at":"2020-09-23T22:15:13.307Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-25597","https://security.alpinelinux.org/vuln/CVE-2020-25597"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-25597#Alpine:v3.9/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-25597"}],"summary":"An issue was discovered in Xen through 4.14.x. There is mishandling of the constraint that once-valid event channels may not turn invalid. Logic in the handling of event channel operations in Xen assu"}