{"action":"Upgrade xen to 4.13.1-r4 or later.","affected":[{"fixed":"4.13.1-r4","introduced":"4.8.0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["4.13.1-r4"],"id":"tcs_01M5NC8KGASH2JWZMWW7DMN45G","modified_at":"2026-10-26T11:17:55.132288383Z","published_at":"2020-07-07T13:15:09.963Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-15563","https://security.alpinelinux.org/vuln/CVE-2020-15563"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-15563#Alpine:v3.18/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-15563"}],"summary":"An issue was discovered in Xen through 4.13.x, allowing x86 HVM guest OS users to cause a hypervisor crash. An inverted conditional in x86 HVM guests' dirty video RAM tracking code allows such guests"}