{"action":"Upgrade linux to 6.12.16-1 or later.","affected":[{"fixed":"6.12.16-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.16-1"],"id":"tcs_01M5NN1XV6KJCV56773VFJ5KXD","modified_at":"2026-10-15T09:47:39.315940340Z","published_at":"2025-02-27T03:15:20.390Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21795","https://security-tracker.debian.org/tracker/CVE-2025-21795"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21795#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21795"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: NFSD: fix hang in nfsd4_shutdown_callback If nfs4_client is in courtesy state then there is no point to send the callback. This caus"}