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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-11-12

Last Modified

2025-11-14

Generated

2026-07-06

AI Q&A

2025-11-13

EPSS Evaluated

2026-07-05

NVD

CVE-2025-40195

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

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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