{"action":"Upgrade linux to 6.12.20-1 or later.","affected":[{"fixed":"6.12.20-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.20-1"],"id":"tcs_01M5NN3N73C2QMM87QCD4NE21H","modified_at":"2026-10-31T10:00:31.631630060Z","published_at":"2025-04-01T16:15:26.710Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21955","https://security-tracker.debian.org/tracker/CVE-2025-21955"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21955#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21955"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbd_work could be freed when after connection release. Incremen"}