Vulnerability-Lookup

GHSA-4FPV-JC67-F9W9

Vulnerability from github – Published: 2026-08-10 15:33 – Updated: 2026-08-19 18:32

Details

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]

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{
  "affected": [],
  "aliases": [
    "CVE-2026-68406"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-10T13:20:34Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate PMSR FTM preamble range\n\nPMSR FTM request parsing accepts preamble values outside the\nenumerated nl80211 preamble range.\n\nReject out-of-range values before using them in the parser capability\nbit test using the policy.\n\n[drop unnecessary check]",
  "id": "GHSA-4fpv-jc67-f9w9",
  "modified": "2026-08-19T18:32:18Z",
  "published": "2026-08-10T15:33:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68406"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b97fa1bce7731f6a244f3d4407c61858f09b93f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36230936468f0ba4930e94aef496fc229d4bb951"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/44ea65d779e2d23b2264fea6af2d0c666a3ec9fb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/58320cb47df2accc7a20bb72c0150280732fa58f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/73ada9f23c2c7fac74474ea2a38ceb265bae17f1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/922d71fbaf99c1d5318151a0cb0a42ad448d07d9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b33f260db3971f572dda0b45dd28d477cf51ed1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cfbda103aeae61071a122a6fc2bfe98cffbd7165"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-68406 (GCVE-0-2026-68406)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:04 – Updated: 2026-08-19 16:34

Title

wifi: cfg80211: validate PMSR FTM preamble range

Summary

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]

Severity

No CVSS data available.

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/73ada9f23c2c7fac7…
https://git.kernel.org/stable/c/2b97fa1bce7731f6a…
https://git.kernel.org/stable/c/9b33f260db3971f57…
https://git.kernel.org/stable/c/44ea65d779e2d23b2…
https://git.kernel.org/stable/c/922d71fbaf99c1d53…
https://git.kernel.org/stable/c/cfbda103aeae61071…
https://git.kernel.org/stable/c/58320cb47df2accc7…
https://git.kernel.org/stable/c/36230936468f0ba49…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < 73ada9f23c2c7fac74474ea2a38ceb265bae17f1 (git) Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < 2b97fa1bce7731f6a244f3d4407c61858f09b93f (git) Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < 9b33f260db3971f572dda0b45dd28d477cf51ed1 (git) Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < 44ea65d779e2d23b2264fea6af2d0c666a3ec9fb (git) Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < 922d71fbaf99c1d5318151a0cb0a42ad448d07d9 (git) Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < cfbda103aeae61071a122a6fc2bfe98cffbd7165 (git) Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < 58320cb47df2accc7a20bb72c0150280732fa58f (git) Affected: 9bb7e0f24e7e7d00daa1219b14539e2e602649b2 , < 36230936468f0ba4930e94aef496fc229d4bb951 (git)
Linux	Linux	Affected: 5.0 Unaffected: 0 , < 5.0 (semver) Unaffected: 5.10.265 , ≤ 5.10.* (semver) Unaffected: 5.15.216 , ≤ 5.15.* (semver) Unaffected: 6.1.183 , ≤ 6.1.* (semver) Unaffected: 6.6.148 , ≤ 6.6.* (semver) Unaffected: 6.12.101 , ≤ 6.12.* (semver) Unaffected: 6.18.42 , ≤ 6.18.* (semver) Unaffected: 7.1.6 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/wireless/nl80211.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "73ada9f23c2c7fac74474ea2a38ceb265bae17f1",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "2b97fa1bce7731f6a244f3d4407c61858f09b93f",
              "status": "affected",
              "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2",
              "versionType": "git"
            },
            {
              "lessThan": "44ea65d779e2d23b2264fea6af2d0c666a3ec9fb",
              "status": "affected",
              "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2",
              "versionType": "git"
            },
            {
              "lessThan": "922d71fbaf99c1d5318151a0cb0a42ad448d07d9",
              "status": "affected",
              "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2",
              "versionType": "git"
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            {
              "lessThan": "cfbda103aeae61071a122a6fc2bfe98cffbd7165",
              "status": "affected",
              "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2",
              "versionType": "git"
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              "status": "affected",
              "version": "9bb7e0f24e7e7d00daa1219b14539e2e602649b2",
              "versionType": "git"
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              "versionType": "git"
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.0"
            },
            {
              "lessThan": "5.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.265",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.216",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.183",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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                  "versionStartIncluding": "5.0",
                  "vulnerable": true
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              "negate": false,
              "operator": "OR"
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        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: validate PMSR FTM preamble range\n\nPMSR FTM request parsing accepts preamble values outside the\nenumerated nl80211 preamble range.\n\nReject out-of-range values before using them in the parser capability\nbit test using the policy.\n\n[drop unnecessary check]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T16:34:59.823Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/9b33f260db3971f572dda0b45dd28d477cf51ed1"
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          "url": "https://git.kernel.org/stable/c/44ea65d779e2d23b2264fea6af2d0c666a3ec9fb"
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          "url": "https://git.kernel.org/stable/c/36230936468f0ba4930e94aef496fc229d4bb951"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-68406",
    "datePublished": "2026-08-10T12:04:26.251Z",
    "dateReserved": "2026-07-30T09:28:09.390Z",
    "dateUpdated": "2026-08-19T16:34:59.823Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-4FPV-JC67-F9W9

CVE-2026-68406 (GCVE-0-2026-68406)

Tags

Sightings

Nomenclature