{"action":"Upgrade linux-6.12 to 6.12.107-1~deb12u1 or later.","affected":[{"fixed":"6.12.107-1~deb12u1","introduced":"0"}],"component":"linux-6.12","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.12.107-1~deb12u1"],"id":"tcs_01M5NVPVB664D0BY26800S7SXH","modified_at":"2026-10-23T18:05:44.865596695Z","published_at":"2026-08-26T15:17:14.873Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-80586","https://security-tracker.debian.org/tracker/CVE-2026-80586"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-80586#Debian:12/linux-6.12","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-80586"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed DSS with a wrong size, followed by"}