{"action":"Upgrade linux to 6.4.11-1 or later.","affected":[{"fixed":"6.4.11-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.11-1"],"id":"tcs_01M5NJTXSB9TTZ3ESBD782T4JC","modified_at":"2026-10-26T17:47:35.431926523Z","published_at":"2025-12-09T16:17:23.527Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53839","https://security-tracker.debian.org/tracker/CVE-2023-53839"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53839#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53839"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: dccp: fix data-race around dp->dccps_mss_cache dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket. Same thing in do_"}