ghsa-wfcx-25g8-9rvx
Vulnerability from github
Published
2025-07-09 12:31
Modified
2025-07-09 12:31
Details

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

drm/amd/display: Add sanity checks for drm_edid_raw()

When EDID is retrieved via drm_edid_raw(), it doesn't guarantee to return proper EDID bytes the caller wants: it may be either NULL (that leads to an Oops) or with too long bytes over the fixed size raw_edid array (that may lead to memory corruption). The latter was reported actually when connected with a bad adapter.

Add sanity checks for drm_edid_raw() to address the above corner cases, and return EDID_BAD_INPUT accordingly.

(cherry picked from commit 648d3f4d209725d51900d6a3ed46b7b600140cdf)

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38254"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-09T11:15:27Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add sanity checks for drm_edid_raw()\n\nWhen EDID is retrieved via drm_edid_raw(), it doesn\u0027t guarantee to\nreturn proper EDID bytes the caller wants: it may be either NULL (that\nleads to an Oops) or with too long bytes over the fixed size raw_edid\narray (that may lead to memory corruption).  The latter was reported\nactually when connected with a bad adapter.\n\nAdd sanity checks for drm_edid_raw() to address the above corner\ncases, and return EDID_BAD_INPUT accordingly.\n\n(cherry picked from commit 648d3f4d209725d51900d6a3ed46b7b600140cdf)",
  "id": "GHSA-wfcx-25g8-9rvx",
  "modified": "2025-07-09T12:31:35Z",
  "published": "2025-07-09T12:31:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38254"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b63507d7cd243574753c6b91f68516d9103f1de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6847b3b6e84ef37451c074e6a8db3fbd250c8dbf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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