{"action":"Upgrade linux to 5.8.7-1 or later.","affected":[{"fixed":"5.8.7-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["5.8.7-1"],"id":"tcs_01M5NEQ05FK13WJ7WSP0THH7NH","modified_at":"2026-10-26T12:02:28.041993257Z","published_at":"2021-02-10T20:15:15.150Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-16120","https://security-tracker.debian.org/tracker/CVE-2020-16120"],"severity":{"label":"medium","score":4.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-16120#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-16120"}],"summary":"Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were all"}