{"action":"Upgrade linux to 4.15.4-1 or later.","affected":[{"fixed":"4.15.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.15.4-1"],"id":"tcs_01M5NEXWFA6AF3JCYY7P0HGZCF","modified_at":"2026-09-11T11:02:43.826073260Z","published_at":"2020-12-15T17:15:14.223Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-27067","https://security-tracker.debian.org/tracker/CVE-2020-27067"],"severity":{"label":"medium","score":6.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-27067#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-27067"}],"summary":"In the l2tp subsystem, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not nee"}