{"action":"Upgrade linux to 6.1.158-1 or later.","affected":[{"fixed":"6.1.158-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.158-1"],"id":"tcs_01M5NNR8K99HFMXSN3SY1AZJA8","modified_at":"2026-10-23T18:04:35.664687892Z","published_at":"2025-10-24T13:15:47.263Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40021","https://security-tracker.debian.org/tracker/CVE-2025-40021"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40021","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40021"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: tracing: dynevent: Add a missing lockdown check on dynevent Since dynamic_events interface on tracefs is compatible with kprobe_even"}