{"action":"Upgrade linux to 6.12.10-1 or later.","affected":[{"fixed":"6.12.10-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.10-1"],"id":"tcs_01M5NN0EZ9Z9WBJAP3854PVCJS","modified_at":"2026-09-01T20:05:41.917017903Z","published_at":"2025-01-21T13:15:09.340Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21657","https://security-tracker.debian.org/tracker/CVE-2025-21657"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21657#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21657"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: sched_ext: Replace rq_lock() to raw_spin_rq_lock() in scx_ops_bypass() scx_ops_bypass() iterates all CPUs to re-enqueue all the scx"}