{"action":"Upgrade xen to 4.11.4-r2 or later.","affected":[{"fixed":"4.11.4-r2","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.9","exploited":false,"fixed_versions":["4.11.4-r2"],"id":"tcs_01M5NCEYECJT4VRAP06NYKGYRX","modified_at":"2026-10-26T11:17:55.153793794Z","published_at":"2020-09-23T22:15:13.713Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-25601","https://security.alpinelinux.org/vuln/CVE-2020-25601"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-25601#Alpine:v3.9/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-25601"}],"summary":"An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchn_reset() / evtchn_destroy(). In particular, the FIFO event channel model allows guests to have a large number of e"}