CVE-2026-63998
ethtool: module: call ethnl_ops_complete() on module flash errors
Description
In the Linux kernel, the following vulnerability has been resolved: ethtool: module: call ethnl_ops_complete() on module flash errors When validate() fails we are skipping over ethnl_ops_complete() even tho we already called ethnl_ops_begin().
INFO
Published Date :
July 19, 2026, 4:17 p.m.
Last Modified :
July 30, 2026, 2:51 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Update the Linux kernel to the latest version.
- Ensure ethtool module handles flash errors properly.
- Verify ethnl_ops_complete is invoked when needed.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-63998.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-63998 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-63998
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-63998 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-63998 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 19, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e', 'lessThan': 'd9defbf8b62bde89e206d74c2a2b445b9ed66108', 'versionType': 'git'}, {'status': 'affected', 'version': '32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e', 'lessThan': 'e96ef1a40dda5b637b1911cd950b11e9848de939', 'versionType': 'git'}, {'status': 'affected', 'version': '32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e', 'lessThan': '84371fb58423f997939aacdcbc02d128d76a54e5', 'versionType': 'git'}], 'programFiles': ['net/ethtool/module.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.11'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.11', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.35', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.12', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/ethtool/module.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: ethtool: module: call ethnl_ops_complete() on module flash errors When validate() fails we are skipping over ethnl_ops_complete() even tho we already called ethnl_ops_begin(). Added Reference https://git.kernel.org/stable/c/84371fb58423f997939aacdcbc02d128d76a54e5 Added Reference https://git.kernel.org/stable/c/d9defbf8b62bde89e206d74c2a2b445b9ed66108 Added Reference https://git.kernel.org/stable/c/e96ef1a40dda5b637b1911cd950b11e9848de939