{"action":"Upgrade linux to 6.12.13-1 or later.","affected":[{"fixed":"6.12.13-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.13-1"],"id":"tcs_01M5NN0WW9TS1V45948JYBS6YJ","modified_at":"2026-10-15T09:47:31.190732766Z","published_at":"2025-02-13T12:15:27.837Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21700","https://security-tracker.debian.org/tracker/CVE-2025-21700"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21700#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21700"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: net: sched: Disallow replacing of child qdisc from one parent to another Lion Ackermann was able to create a UAF which can be abused"}