{"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:14","exploited":false,"fixed_versions":["4.4.0-1"],"id":"tcs_01M5NAKBQ4QZSQ8MED8HTDB9DM","modified_at":"2026-09-01T20:02:10.554213611Z","published_at":"2013-12-13T18:55:05.317Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-6400","https://security-tracker.debian.org/tracker/CVE-2013-6400"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-6400#Debian:14/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-6400"}],"summary":"Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to"}