{"action":"Upgrade linux to 6.12.19-1 or later.","affected":[{"fixed":"6.12.19-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.19-1"],"id":"tcs_01M5NN3A26X4HSJSYHJ89XHE7B","modified_at":"2026-09-01T20:05:43.003993002Z","published_at":"2025-04-01T16:15:22.673Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21920","https://security-tracker.debian.org/tracker/CVE-2025-21920"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21920#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21920"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: vlan: enforce underlying device type Currently, VLAN devices can be created on top of non-ethernet devices. Besides the fact that it"}