{"action":"Upgrade xen to 4.11.4+24-gddaaccbbab-1 or later.","affected":[{"fixed":"4.11.4+24-gddaaccbbab-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.11.4+24-gddaaccbbab-1"],"id":"tcs_01M5NENADFVSTJF6RG6BTJBM9R","modified_at":"2026-09-11T11:01:27.422064293Z","published_at":"2020-07-07T13:15:10.103Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-15565","https://security-tracker.debian.org/tracker/CVE-2020-15565"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-15565","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-15565"}],"summary":"An issue was discovered in Xen through 4.13.x, allowing x86 Intel HVM guest OS users to cause a host OS denial of service or possibly gain privileges because of insufficient cache write-back under VT-"}