{"action":"Upgrade xen to 4.4.0-1 or later.","affected":[{"fixed":"4.4.0-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.4.0-1"],"id":"tcs_01M5NAJ0QM2BC7CKWAM7JWTCYP","modified_at":"2026-09-01T20:03:18.546697053Z","published_at":"2013-11-18T02:55:08.047Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-4551","https://security-tracker.debian.org/tracker/CVE-2013-4551"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-4551","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-4551"}],"summary":"Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of serv"}