{"action":"Upgrade xen to 4.4.1-5 or later.","affected":[{"fixed":"4.4.1-5","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.4.1-5"],"id":"tcs_01M5NAZPJEYZF3FMWG6RSPXQ7C","modified_at":"2026-10-23T15:47:27.366783239Z","published_at":"2014-12-01T15:59:09.780Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2014-8867","https://security-tracker.debian.org/tracker/CVE-2014-8867"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2014-8867#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2014-8867"}],"summary":"The acceleration support for the \"REP MOVS\" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM"}