ghsa-c363-rc2q-jqjx
Vulnerability from github
Published
2024-05-17 15:31
Modified
2024-06-27 12:30
Details

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

ACPI: video: check for error while searching for backlight device parent

If acpi_get_parent() called in acpi_video_dev_register_backlight() fails, for example, because acpi_ut_acquire_mutex() fails inside acpi_get_parent), this can lead to incorrect (uninitialized) acpi_parent handle being passed to acpi_get_pci_dev() for detecting the parent pci device.

Check acpi_get_parent() result and set parent device only in case of success.

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

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52693"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-17T15:15:20Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: video: check for error while searching for backlight device parent\n\nIf acpi_get_parent() called in acpi_video_dev_register_backlight()\nfails, for example, because acpi_ut_acquire_mutex() fails inside\nacpi_get_parent), this can lead to incorrect (uninitialized)\nacpi_parent handle being passed to acpi_get_pci_dev() for detecting\nthe parent pci device.\n\nCheck acpi_get_parent() result and set parent device only in case of success.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
  "id": "GHSA-c363-rc2q-jqjx",
  "modified": "2024-06-27T12:30:46Z",
  "published": "2024-05-17T15:31:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52693"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1e3a2b9b4039bb4d136dca59fb31e06465e056f3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2124c5bc22948fc4d09a23db4a8acdccc7d21e95"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39af144b6d01d9b40f52e5d773e653957e6c379c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a370502a5681986f9828e43be75ce26c6ab24af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/556f02699d33c1f40b1b31bd25828ce08fa165d8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72884ce4e10417b1233b614bf134da852df0f15f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4e1a0ef0b4782854c9b77a333ca912b392bed2f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ccd45faf4973746c4f30ea41eec864e5cf191099"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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