ghsa-g85h-w3x6-7g28
Vulnerability from github
Published
2024-02-27 12:31
Modified
2024-04-10 18:30
Details

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

ALSA: hda: intel-sdw-acpi: harden detection of controller

The existing code currently sets a pointer to an ACPI handle before checking that it's actually a SoundWire controller. This can lead to issues where the graph walk continues and eventually fails, but the pointer was set already.

This patch changes the logic so that the information provided to the caller is set when a controller is found.

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2021-46926"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-27T10:15:07Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: intel-sdw-acpi: harden detection of controller\n\nThe existing code currently sets a pointer to an ACPI handle before\nchecking that it\u0027s actually a SoundWire controller. This can lead to\nissues where the graph walk continues and eventually fails, but the\npointer was set already.\n\nThis patch changes the logic so that the information provided to\nthe caller is set when a controller is found.",
  "id": "GHSA-g85h-w3x6-7g28",
  "modified": "2024-04-10T18:30:46Z",
  "published": "2024-02-27T12:31:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46926"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/385f287f9853da402d94278e59f594501c1d1dad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cce476954401e3421afafb25bbaa926050688b1d"
    }
  ],
  "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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