{"cve":"CVE-2025-39825","nvd":{"published":"2025-09-16T13:16:01.780","modified":"2026-10-19T21:10:00.160","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix race with concurrent opens in rename(2)\n\nBesides sending the rename request to the server, the rename process\nalso involves closing any deferred close, waiting for outstanding I/O\nto complete as well as marking all existing open handles as deleted to\nprevent them from deferring closes, which increases the race window\nfor potential concurrent opens on the target file.\n\nFix this by unhashing the dentry in advance to prevent any concurrent\nopens on the target.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-362"],"references":["https://git.kernel.org/stable/c/24b9ed739c8c5b464d983e12cf308982f3ae93c2","https://git.kernel.org/stable/c/289f945acb20b9b54fe4d13895e44aa58965ddb2","https://git.kernel.org/stable/c/c9991af5e09924f6f3b3e6996a5e09f9504b4358","https://git.kernel.org/stable/c/c9e7de284da0be5b44dbe79d71573f9f7f9b144c","https://git.kernel.org/stable/c/d84291fc7453df7881a970716f8256273aca5747"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-39825","score":0.00118,"percentile":0.01707,"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."]}