Vulnerability-Lookup

GHSA-WFQW-W2WC-4GMV

Vulnerability from github – Published: 2026-08-12 00:31 – Updated: 2026-08-12 00:31

Details

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()

mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-68439"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-12T00:17:44Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()\n\nmt76_connac_get_he_phy_cap routine can theoretically return NULL so\ncheck cap pointer before dereferencing it.",
  "id": "GHSA-wfqw-w2wc-4gmv",
  "modified": "2026-08-12T00:31:12Z",
  "published": "2026-08-12T00:31:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68439"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/313343ab8cab7417973e7bdd43d3c3e93044b447"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/42288cca984fb72ad3ebe43d4e7fdce9dcabfdb5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/856f1588a2590e70b119e76c15315615a36aebc8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d1b6738c1ab48c086b17e7994034aca94258931"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-68439 (GCVE-0-2026-68439)

Vulnerability from cvelistv5 – Published: 2026-08-12 00:07 – Updated: 2026-08-17 05:05

Title

wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()

Summary

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv() mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/42288cca984fb72ad…
https://git.kernel.org/stable/c/313343ab8cab74179…
https://git.kernel.org/stable/c/856f1588a2590e70b…
https://git.kernel.org/stable/c/8d1b6738c1ab48c08…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c948b5da6bbec742b433138e3e3f9537a85af2e5 , < 42288cca984fb72ad3ebe43d4e7fdce9dcabfdb5 (git) Affected: c948b5da6bbec742b433138e3e3f9537a85af2e5 , < 313343ab8cab7417973e7bdd43d3c3e93044b447 (git) Affected: c948b5da6bbec742b433138e3e3f9537a85af2e5 , < 856f1588a2590e70b119e76c15315615a36aebc8 (git) Affected: c948b5da6bbec742b433138e3e3f9537a85af2e5 , < 8d1b6738c1ab48c086b17e7994034aca94258931 (git)
Linux	Linux	Affected: 6.7 Unaffected: 0 , < 6.7 (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": [
            "drivers/net/wireless/mediatek/mt76/mt7925/mcu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "42288cca984fb72ad3ebe43d4e7fdce9dcabfdb5",
              "status": "affected",
              "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5",
              "versionType": "git"
            },
            {
              "lessThan": "313343ab8cab7417973e7bdd43d3c3e93044b447",
              "status": "affected",
              "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5",
              "versionType": "git"
            },
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            }
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        },
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          "programFiles": [
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          ],
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.7"
            },
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              "lessThan": "6.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "status": "unaffected",
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              "versionType": "semver"
            },
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              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.101",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()\n\nmt76_connac_get_he_phy_cap routine can theoretically return NULL so\ncheck cap pointer before dereferencing it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:05:36.346Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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      "title": "wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()",
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    "cveId": "CVE-2026-68439",
    "datePublished": "2026-08-12T00:07:28.625Z",
    "dateReserved": "2026-07-30T09:28:09.394Z",
    "dateUpdated": "2026-08-17T05:05:36.346Z",
    "state": "PUBLISHED"
  },
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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.

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GHSA-WFQW-W2WC-4GMV

CVE-2026-68439 (GCVE-0-2026-68439)

Tags

Sightings

Nomenclature