{"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_01M5NN2ZBGRKA1626X0A34GZPJ","modified_at":"2026-09-01T20:05:42.853236649Z","published_at":"2025-04-01T16:15:20.083Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21897","https://security-tracker.debian.org/tracker/CVE-2025-21897"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21897","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21897"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: sched_ext: Fix pick_task_scx() picking non-queued tasks when it's called without balance() a6250aa251ea (\"sched_ext: Handle cases wh"}