fkie_cve-2022-49855
Vulnerability from fkie_nvd
Published
2025-05-01 15:16
Modified
2025-05-07 13:31
Summary
In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg ipc_pcie_read_bios_cfg() is using the acpi_evaluate_dsm() to obtain the wwan power state configuration from BIOS but is not freeing the acpi_object. The acpi_evaluate_dsm() returned acpi_object to be freed. Free the acpi_object after use.
Impacted products



{
  "configurations": [
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              "versionEndExcluding": "5.15.79",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wwan: iosm: fix memory leak in ipc_pcie_read_bios_cfg\n\nipc_pcie_read_bios_cfg() is using the acpi_evaluate_dsm() to\nobtain the wwan power state configuration from BIOS but is\nnot freeing the acpi_object. The acpi_evaluate_dsm() returned\nacpi_object to be freed.\n\nFree the acpi_object after use."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: wwan: iosm: se corrige la p\u00e9rdida de memoria en ipc_pcie_read_bios_cfg. ipc_pcie_read_bios_cfg() utiliza acpi_evaluate_dsm() para obtener la configuraci\u00f3n del estado de energ\u00eda de wwan desde la BIOS, pero no libera acpi_object. Acpi_evaluate_dsm() devolvi\u00f3 acpi_object para su liberaci\u00f3n. Libere acpi_object despu\u00e9s de su uso."
    }
  ],
  "id": "CVE-2022-49855",
  "lastModified": "2025-05-07T13:31:58.267",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2025-05-01T15:16:09.090",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/13b1ea861e8aeb701bcfbfe436b943efa2d44029"
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    },
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  "vulnStatus": "Analyzed",
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          "lang": "en",
          "value": "CWE-401"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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