CVE-2026-68406
wifi: cfg80211: validate PMSR FTM preamble range
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate PMSR FTM preamble range PMSR FTM request parsing accepts preamble values outside the enumerated nl80211 preamble range. Reject out-of-range values before using them in the parser capability bit test using the policy. [drop unnecessary check]
INFO
Published Date :
Aug. 10, 2026, 1:20 p.m.
Last Modified :
Aug. 10, 2026, 1:20 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-68406
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply the Linux kernel patch for cfg80211.
- Validate PMSR FTM preamble values.
- Reject out-of-range values.
- Update kernel to the patched version.
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-2026-68406.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-68406 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-2026-68406
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-68406 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-68406 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
Aug. 10, 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': '9bb7e0f24e7e7d00daa1219b14539e2e602649b2', 'lessThan': '44ea65d779e2d23b2264fea6af2d0c666a3ec9fb', 'versionType': 'git'}, {'status': 'affected', 'version': '9bb7e0f24e7e7d00daa1219b14539e2e602649b2', 'lessThan': '922d71fbaf99c1d5318151a0cb0a42ad448d07d9', 'versionType': 'git'}, {'status': 'affected', 'version': '9bb7e0f24e7e7d00daa1219b14539e2e602649b2', 'lessThan': 'cfbda103aeae61071a122a6fc2bfe98cffbd7165', 'versionType': 'git'}, {'status': 'affected', 'version': '9bb7e0f24e7e7d00daa1219b14539e2e602649b2', 'lessThan': '58320cb47df2accc7a20bb72c0150280732fa58f', 'versionType': 'git'}, {'status': 'affected', 'version': '9bb7e0f24e7e7d00daa1219b14539e2e602649b2', 'lessThan': '36230936468f0ba4930e94aef496fc229d4bb951', 'versionType': 'git'}], 'programFiles': ['net/wireless/nl80211.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.0'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.0', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc4', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/wireless/nl80211.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate PMSR FTM preamble range PMSR FTM request parsing accepts preamble values outside the enumerated nl80211 preamble range. Reject out-of-range values before using them in the parser capability bit test using the policy. [drop unnecessary check] Added Reference https://git.kernel.org/stable/c/36230936468f0ba4930e94aef496fc229d4bb951 Added Reference https://git.kernel.org/stable/c/44ea65d779e2d23b2264fea6af2d0c666a3ec9fb Added Reference https://git.kernel.org/stable/c/58320cb47df2accc7a20bb72c0150280732fa58f Added Reference https://git.kernel.org/stable/c/922d71fbaf99c1d5318151a0cb0a42ad448d07d9 Added Reference https://git.kernel.org/stable/c/cfbda103aeae61071a122a6fc2bfe98cffbd7165