{"action":"Upgrade linux to 6.18.3-1 or later.","affected":[{"fixed":"6.18.3-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.18.3-1"],"id":"tcs_01M5NPC6RSTSNBW5X8RS183C47","modified_at":"2026-10-23T18:04:14.024001666Z","published_at":"2026-01-14T15:16:02.317Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-71126","https://security-tracker.debian.org/tracker/CVE-2025-71126"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-71126#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-71126"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid deadlock on fallback while reinjecting Jakub reported an MPTCP deadlock at fallback time: WARNING: possible recursive l"}