ghsa-p35v-6xhj-q8qh
Vulnerability from github
Published
2024-05-01 15:30
Modified
2024-05-01 15:30
Details

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

drm/amdgpu: Fix potential out-of-bounds access in 'amdgpu_discovery_reg_base_init()'

The issue arises when the array 'adev->vcn.vcn_config' is accessed before checking if the index 'adev->vcn.num_vcn_inst' is within the bounds of the array.

The fix involves moving the bounds check before the array access. This ensures that 'adev->vcn.num_vcn_inst' is within the bounds of the array before it is used as an index.

Fixes the below: drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1289 amdgpu_discovery_reg_base_init() error: testing array offset 'adev->vcn.num_vcn_inst' after use.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-27042"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T13:15:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix potential out-of-bounds access in \u0027amdgpu_discovery_reg_base_init()\u0027\n\nThe issue arises when the array \u0027adev-\u003evcn.vcn_config\u0027 is accessed\nbefore checking if the index \u0027adev-\u003evcn.num_vcn_inst\u0027 is within the\nbounds of the array.\n\nThe fix involves moving the bounds check before the array access. This\nensures that \u0027adev-\u003evcn.num_vcn_inst\u0027 is within the bounds of the array\nbefore it is used as an index.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1289 amdgpu_discovery_reg_base_init() error: testing array offset \u0027adev-\u003evcn.num_vcn_inst\u0027 after use.",
  "id": "GHSA-p35v-6xhj-q8qh",
  "modified": "2024-05-01T15:30:35Z",
  "published": "2024-05-01T15:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27042"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8db10cee51e3e11a6658742465edc21986cf1e8d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f3e68c6a3fff53c2240762a47a0045d89371775"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b33d4af102b9c1f7a83d3f0ad3cab7d2bab8f058"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cdb637d339572398821204a1142d8d615668f1e9"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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