CVE-2026-64526
Received Received - Intake

ethtool tsconfig Missing ethnl_ops_complete() Error Fix

Publication date: 2026-07-25

Last updated on: 2026-07-25

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ethtool: tsconfig: fix missing ethnl_ops_complete() tsconfig_prepare_data() calls ethnl_ops_begin(), we need to call ethnl_ops_complete() before returning the error.

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Meta Information

Published
2026-07-25
Last Modified
2026-07-25
Generated
2026-08-14
AI Q&A
2026-07-25
EPSS Evaluated
2026-08-13
NVD
CVE-2026-64526
EUVD
EUVD-2026-49038

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 is a Linux kernel vulnerability where the ethtool subsystem's tsconfig feature fails to call ethnl_ops_complete() after ethnl_ops_begin(), potentially leaving operations in an incomplete state when errors occur.

Detection Guidance

This vulnerability is specific to the Linux kernel's ethtool subsystem and requires code-level detection. There are no direct network or system commands to detect this issue as it involves a missing function call in the kernel code. You should check if your kernel version includes the fix for this issue by reviewing kernel changelogs or applying the latest stable kernel updates.

Impact Analysis

It may cause network interface configuration issues, leading to unstable network connectivity or unexpected behavior in systems using the affected ethtool functionality.

Mitigation Strategies

Update the Linux kernel to the latest patched version to resolve the ethtool tsconfig issue. Monitor vendor advisories for kernel updates addressing CVE-2026-64526.

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