GHSA-78Q6-RMJ2-P97W

Vulnerability from github – Published: 2026-04-22 15:31 – Updated: 2026-04-28 18:30
VLAI?
Details

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

HID: asus: avoid memory leak in asus_report_fixup()

The asus_report_fixup() function was returning a newly allocated kmemdup()-allocated buffer, but never freeing it. Switch to devm_kzalloc() to ensure the memory is managed and freed automatically when the device is removed.

The caller of report_fixup() does not take ownership of the returned pointer, but it is permitted to return a pointer whose lifetime is at least that of the input buffer.

Also fix a harmless out-of-bounds read by copying only the original descriptor size.

Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-31524"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-22T14:16:52Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: asus: avoid memory leak in asus_report_fixup()\n\nThe asus_report_fixup() function was returning a newly allocated\nkmemdup()-allocated buffer, but never freeing it.  Switch to\ndevm_kzalloc() to ensure the memory is managed and freed automatically\nwhen the device is removed.\n\nThe caller of report_fixup() does not take ownership of the returned\npointer, but it is permitted to return a pointer whose lifetime is at\nleast that of the input buffer.\n\nAlso fix a harmless out-of-bounds read by copying only the original\ndescriptor size.",
  "id": "GHSA-78q6-rmj2-p97w",
  "modified": "2026-04-28T18:30:30Z",
  "published": "2026-04-22T15:31:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31524"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2bad24c17742fc88973d6aea526ce1353f5334a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2e4fe6b15c2f390c023b20d728b1a3fe7ea4f973"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/726765b43deb2b4723869d673cc5fc6f7a3b2059"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7a6d6e4d8af044f94fa97e97af5ff2771e1fbebd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84724ac4821a160d47b84289adf139023027bdbb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a41cc7c1668e44ff2c2d36f9a6353253ffc43e3c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ede95cfcab8064d9a08813fbd7ed42cea8843dcf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f20f17cffbe34fb330267e0f8084f5565f807444"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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