{"cve":"CVE-2025-40332","nvd":{"published":"2025-12-09T16:17:43.380","modified":"2026-10-14T22:10:00.210","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix mmap write lock not release\n\nIf mmap write lock is taken while draining retry fault, mmap write lock\nis not released because svm_range_restore_pages calls mmap_read_unlock\nthen returns. This causes deadlock and system hangs later because mmap\nread or write lock cannot be taken.\n\nDowngrade mmap write lock to read lock if draining retry fault fix this\nbug.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/7574f30337e19045f03126b4c51f525b84e5049e","https://git.kernel.org/stable/c/e2105ba1c262dcaa9573f11844b6e1e1ca762c3f","https://git.kernel.org/stable/c/f7569ef1cf978aa87aa81b5e9bf40a77497f3685"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2025-40332","score":0.00219,"percentile":0.12276,"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."]}