{"action":"Upgrade linux to 6.12.11-1 or later.","affected":[{"fixed":"6.12.11-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.11-1"],"id":"tcs_01M5NN0NQKFSNGTPK67B6GDJC0","modified_at":"2026-09-01T20:05:42.038640770Z","published_at":"2025-01-31T12:15:28.970Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21678","https://security-tracker.debian.org/tracker/CVE-2025-21678"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21678#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21678"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: gtp: Destroy device along with udp socket's netns dismantle. gtp_newlink() links the device to a list in dev_net(dev) instead of src"}