{"action":"Upgrade xen to 4.13.0-r0 or later.","affected":[{"fixed":"4.13.0-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["4.13.0-r0"],"id":"tcs_01M5NBJ9KBW96PRHBX28FC2JJ2","modified_at":"2026-09-21T06:17:52.504681462Z","published_at":"2019-10-31T14:15:12.150Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2019-18425","https://security.alpinelinux.org/vuln/CVE-2019-18425"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2019-18425#Alpine:v3.20/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2019-18425"}],"summary":"An issue was discovered in Xen through 4.12.x allowing 32-bit PV guest OS users to gain guest OS privileges by installing and using descriptors. There is missing descriptor table limit checking in x86"}