{"action":"Upgrade linux to 4.12.6-1 or later.","affected":[{"fixed":"4.12.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.12.6-1"],"id":"tcs_01M5NCBAAVC1Y2SND6FES80NVV","modified_at":"2026-09-01T20:03:47.478294843Z","published_at":"2018-03-26T20:29:00.227Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-18249","https://security-tracker.debian.org/tracker/CVE-2017-18249"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-18249","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-18249"}],"summary":"The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly"}