GHSA-7W3C-254R-4WJ3

Vulnerability from github – Published: 2026-08-28 09:31 – Updated: 2026-08-28 09:31
VLAI
Details

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

drm/rockchip: dw_dp: Fix null-ptr-deref in dw_dp_remove()

Attempting to access driver data in the platform driver ->remove() callback may lead to a null pointer dereference since there is no guaranty that the component ->bind() callback invoking platform_set_drvdata() was executed.

A common scenario is when Rockchip DRM driver didn't manage to run component_bind_all() because of an (unrelated) error causing early return from rockchip_drm_bind().

Drop the unnecessary call to platform_get_drvdata() and, instead, reference the target device structure via platform_device.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-80658"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T08:16:50Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/rockchip: dw_dp: Fix null-ptr-deref in dw_dp_remove()\n\nAttempting to access driver data in the platform driver -\u003eremove()\ncallback may lead to a null pointer dereference since there is no\nguaranty that the component -\u003ebind() callback invoking\nplatform_set_drvdata() was executed.\n\nA common scenario is when Rockchip DRM driver didn\u0027t manage to run\ncomponent_bind_all() because of an (unrelated) error causing early\nreturn from rockchip_drm_bind().\n\nDrop the unnecessary call to platform_get_drvdata() and, instead,\nreference the target device structure via platform_device.",
  "id": "GHSA-7w3c-254r-4wj3",
  "modified": "2026-08-28T09:31:48Z",
  "published": "2026-08-28T09:31:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80658"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33bc9fba3ae05863fabe3436ddca2ca4f4939c5e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9456381d8b60bb7dd42f2f04afe5ee4ce6e0bc12"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b3ec263a719e0d499bd95d20012d90d7e8641655"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}



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