{"action":"Upgrade linux to 6.12.20-1 or later.","affected":[{"fixed":"6.12.20-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.20-1"],"id":"tcs_01M5NN3SA4BMT0PDQ23BCDQKFZ","modified_at":"2026-09-01T20:05:43.223139180Z","published_at":"2025-04-01T16:15:27.873Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21966","https://security-tracker.debian.org/tracker/CVE-2025-21966"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21966#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21966"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature Fix memory corruption due to incorrect parameter being passed"}