{"action":"Upgrade linux to 6.17.6-1 or later.","affected":[{"fixed":"6.17.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.17.6-1"],"id":"tcs_01M5NNRQWN3RFBNSFW8SSGYGZ4","modified_at":"2026-10-23T18:04:59.170608179Z","published_at":"2025-10-28T12:15:41.723Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40072","https://security-tracker.debian.org/tracker/CVE-2025-40072"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40072","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40072"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: fanotify: Validate the return value of mnt_ns_from_dentry() before dereferencing The function do_fanotify_mark() does not validate i"}