ghsa-r5rh-f6h6-v872
Vulnerability from github
Published
2024-05-17 15:31
Modified
2024-05-17 15:31
Details

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

drm/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag

Otherwise after the GTT bo is released, the GTT and gart space is freed but amdgpu_ttm_backend_unbind will not clear the gart page table entry and leave valid mapping entry pointing to the stale system page. Then if GPU access the gart address mistakely, it will read undefined value instead page fault, harder to debug and reproduce the real issue.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-35817"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-17T14:15:16Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag\n\nOtherwise after the GTT bo is released, the GTT and gart space is freed\nbut amdgpu_ttm_backend_unbind will not clear the gart page table entry\nand leave valid mapping entry pointing to the stale system page. Then\nif GPU access the gart address mistakely, it will read undefined value\ninstead page fault, harder to debug and reproduce the real issue.",
  "id": "GHSA-r5rh-f6h6-v872",
  "modified": "2024-05-17T15:31:10Z",
  "published": "2024-05-17T15:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35817"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/589c414138a1bed98e652c905937d8f790804efe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5cdce3dda3b3dacde902f63a8ee72c2b7f91912d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5d5f1a7f3b1039925f79c7894f153c2a905201fb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c6064cbe58b43533e3451ad6a8ba9736c109ac3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fcd12cb90888ef2d8af8d4c04e913252eee4ef3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8d27caef2c829a306e1f762fb95f06e8ec676f6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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