{"action":"Upgrade linux to 6.12.15-1 or later.","affected":[{"fixed":"6.12.15-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.15-1"],"id":"tcs_01M5NN0XPNNEDYPB18NWFNWSTT","modified_at":"2026-10-15T09:47:34.829580976Z","published_at":"2025-02-18T15:15:18.530Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21702","https://security-tracker.debian.org/tracker/CVE-2025-21702"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21702#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21702"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifo_tail_enqueue("}