{"action":"Upgrade linux to 6.11.4-1 or later.","affected":[{"fixed":"6.11.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.11.4-1"],"id":"tcs_01M5NM7PG2Z3TG71V334DVJE6A","modified_at":"2026-10-31T10:00:26.290535726Z","published_at":"2024-10-21T18:15:15.703Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2024-49940","https://security-tracker.debian.org/tracker/CVE-2024-49940"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2024-49940#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2024-49940"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: l2tp: prevent possible tunnel refcount underflow When a session is created, it sets a backpointer to its tunnel. When the session re"}