{"action":"Upgrade linux to 6.17.9-1 or later.","affected":[{"fixed":"6.17.9-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.17.9-1"],"id":"tcs_01M5NNT3C1RBQ3N3NBZFBP6PX9","modified_at":"2026-10-23T18:04:59.534833285Z","published_at":"2025-11-24T13:16:02.813Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40212","https://security-tracker.debian.org/tracker/CVE-2025-40212"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40212#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40212"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsd_set_fh_dentry() nfsd exports a \"pseudo root filesystem\" which is used by NFSv4 to find the various e"}