GHSA-QQ7P-HHWH-9JP5

Vulnerability from github – Published: 2026-05-01 15:30 – Updated: 2026-05-01 15:30
VLAI?
Details

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

drm/ioc32: stop speculation on the drm_compat_ioctl path

The drm compat ioctl path takes a user controlled pointer, and then dereferences it into a table of function pointers, the signature method of spectre problems. Fix this up by calling array_index_nospec() on the index to the function pointer list.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-31781"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-01T15:16:41Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ioc32: stop speculation on the drm_compat_ioctl path\n\nThe drm compat ioctl path takes a user controlled pointer, and then\ndereferences it into a table of function pointers, the signature method\nof spectre problems.  Fix this up by calling array_index_nospec() on the\nindex to the function pointer list.",
  "id": "GHSA-qq7p-hhwh-9jp5",
  "modified": "2026-05-01T15:30:36Z",
  "published": "2026-05-01T15:30:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31781"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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