{"action":"Upgrade xen to 4.14.3-1 or later.","affected":[{"fixed":"4.14.3-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.14.3-1"],"id":"tcs_01M5NFHN55RECBN5MFXDJMXPY6","modified_at":"2026-10-23T18:03:57.592705807Z","published_at":"2021-09-08T14:15:08.547Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-28701","https://security-tracker.debian.org/tracker/CVE-2021-28701"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-28701#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-28701"}],"summary":"Another race in XENMAPSPACE_grant_table handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire"}