CVE-2025-68300
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BaseFortify

Publication date: 2025-12-16

Last updated on: 2025-12-18

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grab_requested_mnt_ns lookup_mnt_ns() already takes a reference on mnt_ns. grab_requested_mnt_ns() doesn't need to take an extra reference.
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Meta Information
Published
2025-12-16
Last Modified
2025-12-18
Generated
2026-06-16
AI Q&A
2025-12-16
EPSS Evaluated
2026-06-15
NVD
CVE-2025-68300
EUVD
EUVD-2025-203780
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 is a reference leak in the Linux kernel's filesystem namespace handling. Specifically, the function grab_requested_mnt_ns() was taking an unnecessary extra reference on a mount namespace object, which was already referenced by lookup_mnt_ns(). This could lead to resource management issues in the kernel.

Impact Analysis

The impact of this vulnerability could be related to resource leaks in the Linux kernel, potentially leading to increased memory usage or instability in systems relying on mount namespaces. However, no specific impact details are provided.

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