{"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_01M5NAHJYA89HDYE55944NX6JY","modified_at":"2026-09-01T20:03:18.310611920Z","published_at":"2013-11-02T18:55:03.250Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-4494","https://security-tracker.debian.org/tracker/CVE-2013-4494"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-4494","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-4494"}],"summary":"Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of"}