{"cve":"CVE-2025-40242","nvd":{"published":"2025-12-04T16:16:17.390","modified":"2026-10-19T19:10:00.130","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix unlikely race in gdlm_put_lock\n\nIn gdlm_put_lock(), there is a small window of time in which the\nDFL_UNMOUNT flag has been set but the lockspace hasn't been released,\nyet.  In that window, dlm may still call gdlm_ast() and gdlm_bast().\nTo prevent it from dereferencing freed glock objects, only free the\nglock if the lockspace has actually been released.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.0},"cwes":[],"references":["https://git.kernel.org/stable/c/279bde3bbb0ac0bad5c729dfa85983d75a5d7641","https://git.kernel.org/stable/c/28c4d9bc0708956c1a736a9e49fee71b65deee81","https://git.kernel.org/stable/c/4913592a3358f6ec366b8346b733d5e2360b08e1","https://git.kernel.org/stable/c/5fdc1474e678eea1700aa266c0b7c2c96f81dd0d","https://git.kernel.org/stable/c/64c61b4ac645222fa7b724cef616c1f862a72a40"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2025-40242","score":0.00145,"percentile":0.03744,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}