CVE-2025-39730
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-07

Last updated on: 2025-11-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() The function needs to check the minimal filehandle length before it can access the embedded filehandle.
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Meta Information
Published
2025-09-07
Last Modified
2025-11-03
Generated
2026-06-16
AI Q&A
2025-09-07
EPSS Evaluated
2026-06-14
NVD
CVE-2025-39730
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux kernel 5.10.244-1
linux kernel 6.1.153-1
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is in the Linux kernel's NFS implementation. It involves improper bounds checking in the function nfs_fh_to_dentry(), which converts a filehandle to a directory entry. The function did not properly verify that the filehandle length was sufficient before accessing the embedded filehandle, potentially leading to errors or security issues.

Impact Analysis

If exploited, this vulnerability could cause incorrect handling of filehandles in NFS, potentially leading to system instability or security risks such as unauthorized access or denial of service. However, specific impacts are not detailed in the provided information.

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