{"action":"Upgrade linux to 6.12.105-1 or later.","affected":[{"fixed":"6.12.105-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.105-1"],"id":"tcs_01M5NVPVJWARXYXFY0EV0HXAJ2","modified_at":"2026-10-31T10:01:50.140027472Z","published_at":"2026-08-26T15:17:15.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-80587","https://security-tracker.debian.org/tracker/CVE-2026-80587"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-80587#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-80587"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid combining some incoming suboptions Some MPTCP suboptions are mutually exclusive according to the RFC8684, but also beca"}