{"action":"Upgrade linux to 6.12.63-1 or later.","affected":[{"fixed":"6.12.63-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.63-1"],"id":"tcs_01M5NNTYQHFHEM39RHBZHWNXHV","modified_at":"2026-10-16T09:47:28.114489003Z","published_at":"2025-12-08T01:16:02.950Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40307","https://security-tracker.debian.org/tracker/CVE-2025-40307"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40307#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40307"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: exfat: validate cluster allocation bits of the allocation bitmap syzbot created an exfat image with cluster bits not set for the all"}