{"action":"Upgrade edk2 to 2022.11-1 or later.","affected":[{"fixed":"2022.11-1","introduced":"0"}],"component":"edk2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2022.11-1"],"id":"tcs_01M5NFX89QD8MY385YDR9N74EX","modified_at":"2026-10-23T18:03:50.354821417Z","published_at":"2022-03-03T22:15:08.423Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-38578","https://security-tracker.debian.org/tracker/CVE-2021-38578"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-38578","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-38578"}],"summary":"Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize."}