{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NM7P91AV68C8YRCQS9W65V","modified_at":"2026-10-23T18:04:58.941062447Z","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","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"}