{"action":"Upgrade xen to 4.8.0~rc3-1 or later.","affected":[{"fixed":"4.8.0~rc3-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.8.0~rc3-1"],"id":"tcs_01M5NBKKXK3AW9RC6M90Q67EB7","modified_at":"2026-09-22T07:01:03.909803668Z","published_at":"2016-05-18T14:59:05.413Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-4480","https://security-tracker.debian.org/tracker/CVE-2016-4480"],"severity":{"label":"high","score":8.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-4480#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-4480"}],"summary":"The guest_walk_tables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might all"}