{"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_01M5NNTATBQ57P734HXXG63HG9","modified_at":"2026-10-23T18:04:36.441049296Z","published_at":"2025-12-04T16:16:17.390Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40242","https://security-tracker.debian.org/tracker/CVE-2025-40242"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40242#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40242"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix unlikely race in gdlm_put_lock In gdlm_put_lock(), there is a small window of time in which the DFL_UNMOUNT flag has been"}