{"action":"Upgrade linux to 5.16.7-1 or later.","affected":[{"fixed":"5.16.7-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["5.16.7-1"],"id":"tcs_01M5NG2EDSHCF5M7MWQTTAAJVN","modified_at":"2026-10-15T09:47:29.017271972Z","published_at":"2022-02-14T12:15:15.697Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-44879","https://security-tracker.debian.org/tracker/CVE-2021-44879"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-44879#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-44879"}],"summary":"In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference."}