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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-02-14
Last Modified
2026-03-18
Generated
2026-06-16
AI Q&A
2026-02-14
EPSS Evaluated
2026-06-15
NVD
EUVD
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)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
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

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-71204. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart