{"action":"Upgrade linux to 6.12.63-1 or later.","affected":[{"fixed":"6.12.63-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.63-1"],"id":"tcs_01M5NP83J3EH7XGSXNG1XKDESW","modified_at":"2026-10-31T10:00:39.649665696Z","published_at":"2025-12-16T14:15:51.460Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-68188","https://security-tracker.debian.org/tracker/CVE-2025-68188"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-68188#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-68188"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Use RCU to avoid a pair of atomic operations and a potential UAF o"}