{"action":"Upgrade linux to 5.10.4-1 or later.","affected":[{"fixed":"5.10.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.10.4-1"],"id":"tcs_01M5NFB276M3391CPSQV312MJK","modified_at":"2026-10-23T18:03:10.231694127Z","published_at":"2021-05-28T11:15:08.003Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-20239","https://security-tracker.debian.org/tracker/CVE-2021-20239"],"severity":{"label":"low","score":3.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-20239#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-20239"}],"summary":"A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest t"}