fkie_cve-2022-49525
Vulnerability from fkie_nvd
Published
2025-02-26 07:01
Modified
2025-10-21 12:06
Summary
In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fix the warning when removing the module When removing the module, we will get the following warning: [ 14.746697] remove_proc_entry: removing non-empty directory 'irq/21', leaking at least 'cx25821[1]' [ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0 [ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0 [ 14.759589] Call Trace: [ 14.759792] <TASK> [ 14.759975] unregister_irq_proc+0x14c/0x170 [ 14.760340] irq_free_descs+0x94/0xe0 [ 14.760640] mp_unmap_irq+0xb6/0x100 [ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40 [ 14.761334] acpi_pci_irq_disable+0x1d3/0x320 [ 14.761688] pci_disable_device+0x1ad/0x380 [ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60 [ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821] [ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821] [ 14.763242] pci_device_remove+0x92/0x240 Fix this by freeing the irq before call pci_disable_device().



{
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx25821: Fix the warning when removing the module\n\nWhen removing the module, we will get the following warning:\n\n[   14.746697] remove_proc_entry: removing non-empty directory \u0027irq/21\u0027, leaking at least \u0027cx25821[1]\u0027\n[   14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0\n[   14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0\n[   14.759589] Call Trace:\n[   14.759792]  \u003cTASK\u003e\n[   14.759975]  unregister_irq_proc+0x14c/0x170\n[   14.760340]  irq_free_descs+0x94/0xe0\n[   14.760640]  mp_unmap_irq+0xb6/0x100\n[   14.760937]  acpi_unregister_gsi_ioapic+0x27/0x40\n[   14.761334]  acpi_pci_irq_disable+0x1d3/0x320\n[   14.761688]  pci_disable_device+0x1ad/0x380\n[   14.762027]  ? _raw_spin_unlock_irqrestore+0x2d/0x60\n[   14.762442]  ? cx25821_shutdown+0x20/0x9f0 [cx25821]\n[   14.762848]  cx25821_finidev+0x48/0xc0 [cx25821]\n[   14.763242]  pci_device_remove+0x92/0x240\n\nFix this by freeing the irq before call pci_disable_device()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: cx25821: Arreglar la advertencia al eliminar el m\u00f3dulo Al eliminar el m\u00f3dulo, obtendremos la siguiente advertencia: [ 14.746697] remove_proc_entry: removing non-empty directory \u0027irq/21\u0027, leaking at least \u0027cx25821[1]\u0027 [ 14.747449] WARNING: CPU: 4 PID: 368 at fs/proc/generic.c:717 remove_proc_entry+0x389/0x3f0 [ 14.751611] RIP: 0010:remove_proc_entry+0x389/0x3f0 [ 14.759589] Call Trace: [ 14.759792]  [ 14.759975] unregister_irq_proc+0x14c/0x170 [ 14.760340] irq_free_descs+0x94/0xe0 [ 14.760640] mp_unmap_irq+0xb6/0x100 [ 14.760937] acpi_unregister_gsi_ioapic+0x27/0x40 [ 14.761334] acpi_pci_irq_disable+0x1d3/0x320 [ 14.761688] pci_disable_device+0x1ad/0x380 [ 14.762027] ? _raw_spin_unlock_irqrestore+0x2d/0x60 [ 14.762442] ? cx25821_shutdown+0x20/0x9f0 [cx25821] [ 14.762848] cx25821_finidev+0x48/0xc0 [cx25821] [ 14.763242] pci_device_remove+0x92/0x240 Solucione esto liberando el irq antes de llamar a pci_disable_device()."
    }
  ],
  "id": "CVE-2022-49525",
  "lastModified": "2025-10-21T12:06:25.187",
  "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"
      }
    ]
  },
  "published": "2025-02-26T07:01:28.500",
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "url": "https://git.kernel.org/stable/c/005fd553f5f10fe8618d92f94ad10f9051eac331"
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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