ghsa-36j9-2v33-g5mg
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-05-01 15:31
Details

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

iommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group

Currently, mtk_iommu calls during probe iommu_device_register before the hw_list from driver data is initialized. Since iommu probing issue fix, it leads to NULL pointer dereference in mtk_iommu_device_group when hw_list is accessed with list_first_entry (not null safe).

So, change the call order to ensure iommu_device_register is called after the driver data are initialized.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37748"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T13:15:53Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Fix NULL pointer deference in mtk_iommu_device_group\n\nCurrently, mtk_iommu calls during probe iommu_device_register before\nthe hw_list from driver data is initialized. Since iommu probing issue\nfix, it leads to NULL pointer dereference in mtk_iommu_device_group when\nhw_list is accessed with list_first_entry (not null safe).\n\nSo, change the call order to ensure iommu_device_register is called\nafter the driver data are initialized.",
  "id": "GHSA-36j9-2v33-g5mg",
  "modified": "2025-05-01T15:31:42Z",
  "published": "2025-05-01T15:31:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37748"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f75cb27bef43c8692b0f5e471e5632f6a9beb99"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/38e8844005e6068f336a3ad45451a562a0040ca1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69f9d2d37d1207c5a73dac52a4ce1361ead707f5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6abd09bed43b8d83d461e0fb5b9a200a06aa8a27"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a0842539e8ef9386c070156103aff888e558a60c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce7d3b2f6f393fa35f0ea12861b83a1ca28b295c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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