ghsa-895c-6cgv-gh76
Vulnerability from github
Published
2025-07-03 09:30
Modified
2025-07-03 09:30
Details

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

hwmon: (asus-ec-sensors) check sensor index in read_string()

Prevent a potential invalid memory access when the requested sensor is not found.

find_ec_sensor_index() may return a negative value (e.g. -ENOENT), but its result was used without checking, which could lead to undefined behavior when passed to get_sensor_info().

Add a proper check to return -EINVAL if sensor_index is negative.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

[groeck: Return error code returned from find_ec_sensor_index]

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38142"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-03T09:15:28Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (asus-ec-sensors) check sensor index in read_string()\n\nPrevent a potential invalid memory access when the requested sensor\nis not found.\n\nfind_ec_sensor_index() may return a negative value (e.g. -ENOENT),\nbut its result was used without checking, which could lead to\nundefined behavior when passed to get_sensor_info().\n\nAdd a proper check to return -EINVAL if sensor_index is negative.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n[groeck: Return error code returned from find_ec_sensor_index]",
  "id": "GHSA-895c-6cgv-gh76",
  "modified": "2025-07-03T09:30:34Z",
  "published": "2025-07-03T09:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38142"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19bd9cde38dd4ca1771aed7afba623e7f4247c8e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/25be318324563c63cbd9cb53186203a08d2f83a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e9e45746b861ebd54c03ef301da2cb8fc990536"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6bf529ce84dccc0074dbc704e70aee4aa545057e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7eeb3df6f07a886bdfd52757ede127a59a8784dc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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