{"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:12","exploited":false,"fixed_versions":["4.8.0~rc3-1"],"id":"tcs_01M5NBP044MAVSDJGJQSB2HCEV","modified_at":"2026-09-22T07:01:34.256281838Z","published_at":"2016-08-02T16:59:09.133Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-6259","https://security-tracker.debian.org/tracker/CVE-2016-6259"],"severity":{"label":"medium","score":6.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-6259","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-6259"}],"summary":"Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial o"}