{"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_01M5NNSWKRP80D15KN4QGKBPG4","modified_at":"2026-10-23T18:04:13.473092111Z","published_at":"2025-11-12T22:15:45.960Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40190","https://security-tracker.debian.org/tracker/CVE-2025-40190"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40190#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40190"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ext4: guard against EA inode refcount underflow in xattr update syzkaller found a path where ext4_xattr_inode_update_ref() reads an"}