CVE-2022-49525 (GCVE-0-2022-49525)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:13 – Updated: 2026-05-11 19:01
VLAI
Title
media: cx25821: Fix the warning when removing the module
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().
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 4d6295b6d986476232332fffd08575b185f90d81 (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 5beb85ff7d005ddb7bf604a4f2dc76f01b84b318 (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 258639bc55a586ee6df92d89786ccf1c71546d70 (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 222292930c8ecc3516e03ec1f9fa8448be7ff496 (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 3f94169affa33c9db4a439d88f09cb2ed3a33332 (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 1f0fc1dfb5fdd456657519a97fab83691b96c6a0 (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 9d92291698e5cc35a2b8a1106a01ddd7d60ade2d (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 005fd553f5f10fe8618d92f94ad10f9051eac331 (git)
Affected: 02b20b0b4cde011f7ad6b5363fb88b93f7ad4e5b , < 2203436a4d24302871617373a7eb21bc17e38762 (git)
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Linux Linux Affected: 2.6.32
Unaffected: 0 , < 2.6.32 (semver)
Unaffected: 4.9.318 , ≤ 4.9.* (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.121 , ≤ 5.10.* (semver)
Unaffected: 5.15.46 , ≤ 5.15.* (semver)
Unaffected: 5.17.14 , ≤ 5.17.* (semver)
Unaffected: 5.18.3 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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          {
            "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": "2026-06-17T05:18:19.513",
        "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",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/005fd553f5f10fe8618d92f94ad10f9051eac331"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1f0fc1dfb5fdd456657519a97fab83691b96c6a0"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/2203436a4d24302871617373a7eb21bc17e38762"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/222292930c8ecc3516e03ec1f9fa8448be7ff496"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/258639bc55a586ee6df92d89786ccf1c71546d70"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/3f94169affa33c9db4a439d88f09cb2ed3a33332"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/4d6295b6d986476232332fffd08575b185f90d81"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/5beb85ff7d005ddb7bf604a4f2dc76f01b84b318"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/9d92291698e5cc35a2b8a1106a01ddd7d60ade2d"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:38:55+00:00",
      "cve": "CVE-2022-49525",
      "id": "CVE-2022-49525",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: cx25821: Fix the warning when removing the module",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49525.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T01:27:23Z",
      "cve": "CVE-2022-49525",
      "id": "CVE-2022-49525",
      "initial_release_date": "2025-02-27T03:05:32Z",
      "product_status:known_affected": "503",
      "product_status:known_not_affected": "182",
      "product_status:recommended": "333",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49525",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49525.json",
      "version": "59"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.