{"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:13","exploited":false,"fixed_versions":["4.4.0-1"],"id":"tcs_01M5NAGSZFWJF1944ZVBCCKWTA","modified_at":"2026-09-01T20:03:18.232982869Z","published_at":"2013-10-09T22:55:02.697Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-4356","https://security-tracker.debian.org/tracker/CVE-2013-4356"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-4356#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-4356"}],"summary":"Xen 4.3.x writes hypervisor mappings to certain shadow pagetables when live migration is performed on hosts with more than 5TB of RAM, which allows local 64-bit PV guests to read or write to invalid m"}