ghsa-38h5-7v7x-v6pw
Vulnerability from github
Published
2025-05-20 18:30
Modified
2025-05-20 18:30
Details

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

wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi

In certain cases, hardware might provide packets with a length greater than the maximum native Wi-Fi header length. This can lead to accessing and modifying fields in the header within the ath12k_dp_rx_h_undecap_nwifi function for DP_RX_DECAP_TYPE_NATIVE_WIFI decap type and potentially resulting in invalid data access and memory corruption.

Add a sanity check before processing the SKB to prevent invalid data access in the undecap native Wi-Fi function for the DP_RX_DECAP_TYPE_NATIVE_WIFI decap type.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37943"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T16:15:32Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi\n\nIn certain cases, hardware might provide packets with a\nlength greater than the maximum native Wi-Fi header length.\nThis can lead to accessing and modifying fields in the header\nwithin the ath12k_dp_rx_h_undecap_nwifi function for\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type and\npotentially resulting in invalid data access and memory corruption.\n\nAdd a sanity check before processing the SKB to prevent invalid\ndata access in the undecap native Wi-Fi function for the\nDP_RX_DECAP_TYPE_NATIVE_WIFI decap type.\n\nTested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1",
  "id": "GHSA-38h5-7v7x-v6pw",
  "modified": "2025-05-20T18:30:56Z",
  "published": "2025-05-20T18:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37943"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3abe15e756481c45f6acba3d476cb3ca4afc3b61"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/50be1fb76556e80af9f5da80f28168b6c71bce58"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6ee653194ddb83674913fd2727b8ecfae0597ade"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f1d986da5c6abb75ffe4d0d325fc9b341c41a1c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a0dddfb30f120db3851627935851d262e4e7acb"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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