{"action":"Upgrade linux to 6.12.13-1 or later.","affected":[{"fixed":"6.12.13-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.13-1"],"id":"tcs_01M5NN0ZA6199EG2M6S46FSTW4","modified_at":"2026-10-15T09:47:44.267823500Z","published_at":"2025-02-27T02:15:14.237Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21706","https://security-tracker.debian.org/tracker/CVE-2025-21706"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21706#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21706"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: only set fullmesh for subflow endp With the in-kernel path-manager, it is possible to change the 'fullmesh' flag. The cod"}