CVE-2025-71204
Unknown Unknown - Not Provided

Reference Count Leak in Linux Kernel SMB Server Component

Publication date: 2026-02-14

Last updated on: 2026-03-18

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in parse_durable_handle_context() When the command is a replay operation and -ENOEXEC is returned, the refcount of ksmbd_file must be released.

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Meta Information

Published
2026-02-14
Last Modified
2026-03-18
Generated
2026-07-06
AI Q&A
2026-02-14
EPSS Evaluated
2026-07-05
NVD
CVE-2025-71204
EUVD
EUVD-2025-206991

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel From 6.13 (inc) to 6.18.10 (exc)
linux linux_kernel From 6.6.32 (inc) to 6.6.124 (exc)
linux linux_kernel From 6.9 (inc) to 6.12.70 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Impact Analysis

The impact of this vulnerability is a resource leak in the Linux kernel SMB server.

If the reference count is not released properly, it could lead to increased memory usage or resource exhaustion over time, potentially degrading system performance or stability.

Compliance Impact

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Detection Guidance

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Executive Summary

This vulnerability is a refcount leak in the Linux kernel's SMB server component, specifically in the function parse_durable_handle_context().

When a replay operation command returns an error code -ENOEXEC, the reference count of the ksmbd_file object is not properly released, causing a resource leak.

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