{"action":"Upgrade xen to 4.14.0+80-gd101b417b7-1 or later.","affected":[{"fixed":"4.14.0+80-gd101b417b7-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.14.0+80-gd101b417b7-1"],"id":"tcs_01M5NEVQVN39VSEEQAHAN2QQTY","modified_at":"2026-10-26T12:01:02.793596657Z","published_at":"2020-09-23T22:15:13.713Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-25601","https://security-tracker.debian.org/tracker/CVE-2020-25601"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-25601#Debian:14/xen","url":"https://osv.dev/vulnerability/DEBIAN-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"}