{"cve":"CVE-2025-40191","nvd":{"published":"2025-11-12T22:15:46.080","modified":"2026-10-19T21:10:00.160","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix kfd process ref leaking when userptr unmapping\n\nkfd_lookup_process_by_pid hold the kfd process reference to ensure it\ndoesn't get destroyed while sending the segfault event to user space.\n\nCalling kfd_lookup_process_by_pid as function parameter leaks the kfd\nprocess refcount and miss the NULL pointer check if app process is\nalready destroyed.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/58e6fc2fb94f0f409447e5d46cf6a417b6397fbc","https://git.kernel.org/stable/c/60f6112fc9b3ba0eae519f10702c0c13bab45742"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-40191","score":0.00184,"percentile":0.07954,"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."]}