CVE-2025-40195
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BaseFortify

Publication date: 2025-11-12

Last updated on: 2025-11-14

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: mount: handle NULL values in mnt_ns_release() When calling in listmount() mnt_ns_release() may be passed a NULL pointer. Handle that case gracefully.
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Meta Information
Published
2025-11-12
Last Modified
2025-11-14
Generated
2026-06-16
AI Q&A
2025-11-13
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40195
Affected Vendors & Products
Currently, no data is known.
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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 mount functionality, specifically in the function mnt_ns_release(). The issue occurs when mnt_ns_release() is called with a NULL pointer, which was not properly handled. The fix ensures that the function can gracefully handle NULL values to prevent potential errors or crashes.

Impact Analysis

If the vulnerability is triggered, it could cause the Linux kernel's mount subsystem to behave unexpectedly, potentially leading to system instability or crashes. This could affect system reliability and availability.

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