CVE-2025-39798
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-12

Last updated on: 2025-11-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix the setting of capabilities when automounting a new filesystem Capabilities cannot be inherited when we cross into a new filesystem. They need to be reset to the minimal defaults, and then probed for again.
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Meta Information
Published
2025-09-12
Last Modified
2025-11-03
Generated
2026-06-16
AI Q&A
2025-09-12
EPSS Evaluated
2026-06-15
NVD
CVE-2025-39798
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 involves the Linux kernel's handling of capabilities when automounting a new filesystem via NFS. Specifically, capabilities cannot be inherited when crossing into a new filesystem; they must be reset to minimal defaults and then re-evaluated. The issue was that this resetting process was not handled correctly, which has now been fixed.

Impact Analysis

If unpatched, this vulnerability could lead to incorrect capability settings when automounting new filesystems, potentially allowing processes to retain elevated privileges improperly or lose necessary permissions, which could affect system security and stability.

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