{"action":"Upgrade xen to 4.11.1-1 or later.","affected":[{"fixed":"4.11.1-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.11.1-1"],"id":"tcs_01M5ND9J0MRTSKMBJ5SAAT87T7","modified_at":"2026-10-23T18:03:04.172104568Z","published_at":"2018-12-08T04:29:00.373Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-19964","https://security-tracker.debian.org/tracker/CVE-2018-19964"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-19964","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-19964"}],"summary":"An issue was discovered in Xen 4.11.x allowing x86 guest OS users to cause a denial of service (host OS hang) because the p2m lock remains unavailable indefinitely in certain error conditions."}