{"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_01M5NENA2X4XCVZEKFJTZWZMWS","modified_at":"2026-10-26T12:01:40.196616941Z","published_at":"2020-07-07T13:15:10.023Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-15564","https://security-tracker.debian.org/tracker/CVE-2020-15564"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-15564","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-15564"}],"summary":"An issue was discovered in Xen through 4.13.x, allowing Arm guest OS users to cause a hypervisor crash because of a missing alignment check in VCPUOP_register_vcpu_info. The hypercall VCPUOP_register_"}