{"action":"Upgrade linux to 6.1.153-1 or later.","affected":[{"fixed":"6.1.153-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.153-1"],"id":"tcs_01M5NNJPYNBB2CFRMYPEPZYM93","modified_at":"2026-10-16T10:01:26.317764441Z","published_at":"2025-07-28T12:15:31.240Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-38491","https://security-tracker.debian.org/tracker/CVE-2025-38491"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-38491","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-38491"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mptcp: make fallback action and fallback decision atomic Syzkaller reported the following splat: WARNING: CPU: 1 PID: 7704 at net/mp"}