{"action":"Upgrade xen to 4.14.0+80-gd101b417b7-1 or later.","affected":[{"fixed":"4.14.0+80-gd101b417b7-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.14.0+80-gd101b417b7-1"],"id":"tcs_01M5NFGSTGJVFPWS7P0AHES06J","modified_at":"2026-10-23T18:03:59.137383233Z","published_at":"2021-02-18T17:15:15.867Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-27379","https://security-tracker.debian.org/tracker/CVE-2021-27379"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-27379#Debian:14/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-27379"}],"summary":"An issue was discovered in Xen through 4.11.x, allowing x86 Intel HVM guest OS users to achieve unintended read/write DMA access, and possibly cause a denial of service (host OS crash) or gain privile"}