{"action":"Upgrade linux to 6.12.57-1 or later.","affected":[{"fixed":"6.12.57-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.57-1"],"id":"tcs_01M5NNS1FD1ECPPXS5JK1Z4XRC","modified_at":"2026-10-23T18:04:36.281707062Z","published_at":"2025-10-30T10:15:34.337Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40099","https://security-tracker.debian.org/tracker/CVE-2025-40099"],"severity":{"label":"critical","score":9.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40099#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40099"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: cifs: parse_dfs_referrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTL_DFS_GET_REFERRALS - r"}