{"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_01M5NNRS0SNYB6GWG7RM5T5PBY","modified_at":"2026-10-23T18:04:59.322115818Z","published_at":"2025-10-28T12:15:42.260Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40077","https://security-tracker.debian.org/tracker/CVE-2025-40077"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40077#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40077"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid overflow while left shift operation Should cast type of folio->index from pgoff_t to loff_t to avoid overflow whi"}