Vulnerability-Lookup

FKIE_CVE-2022-50520

Vulnerability from fkie_nvd - Published: 2025-10-07 16:15 - Updated: 2026-02-04 17:02

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios() As comment of pci_get_class() says, it returns a pci_device with its refcount increased and decreased the refcount for the input parameter @from if it is not NULL. If we break the loop in radeon_atrm_get_bios() with 'pdev' not NULL, we need to call pci_dev_put() to decrease the refcount. Add the missing pci_dev_put() to avoid refcount leak.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1079df6acf56f99d86b0081a38c84701412cc90e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/470a77989037c3ab2b08bf2d026d2c0ddc35ff5b	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6f28c7f67af4ef9bca580ab67ae2d4511797af56	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/725a521a18734f65de05b8d353b5bd0d3ca4c37a	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/88c6e0995c04b170563b5c894c50a3b2152e18c2	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a6cffe54064a5f6c2162a85af3c16c6b453eac4e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b9decada8749b606fd8b4f04a3d6c74f7983d7bc	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e738f82e5b1311e8fb3d1409491a6fcce6418fbe	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	3.6
linux	linux_kernel	3.6
linux	linux_kernel	3.6
linux	linux_kernel	3.6
linux	linux_kernel	3.6
linux	linux_kernel	3.6

JSON

To clipboard

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()\n\nAs comment of pci_get_class() says, it returns a pci_device with its\nrefcount increased and decreased the refcount for the input parameter\n@from if it is not NULL.\n\nIf we break the loop in radeon_atrm_get_bios() with \u0027pdev\u0027 not NULL, we\nneed to call pci_dev_put() to decrease the refcount. Add the missing\npci_dev_put() to avoid refcount leak."
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  "id": "CVE-2022-50520",
  "lastModified": "2026-02-04T17:02:13.397",
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          "attackComplexity": "LOW",
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          "confidentialityImpact": "NONE",
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CVE-2022-50520 (GCVE-0-2022-50520)

Vulnerability from cvelistv5 – Published: 2025-10-07 15:19 – Updated: 2025-10-07 15:19

Title

drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/6f28c7f67af4ef9bc…
	https://git.kernel.org/stable/c/e738f82e5b1311e8f…
	https://git.kernel.org/stable/c/1079df6acf56f99d8…
	https://git.kernel.org/stable/c/470a77989037c3ab2…
	https://git.kernel.org/stable/c/3991d98a8a07b71c0…
	https://git.kernel.org/stable/c/88c6e0995c04b1705…
	https://git.kernel.org/stable/c/b9decada8749b606f…
	https://git.kernel.org/stable/c/a6cffe54064a5f6c2…
	https://git.kernel.org/stable/c/725a521a18734f65d…

Impacted products

Vendor

Product

Version

Linux

Affected: c61e2775873f603148e8e998a938721b7d222d24 , < 6f28c7f67af4ef9bca580ab67ae2d4511797af56 (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < e738f82e5b1311e8fb3d1409491a6fcce6418fbe (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < 1079df6acf56f99d86b0081a38c84701412cc90e (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < 470a77989037c3ab2b08bf2d026d2c0ddc35ff5b (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < 3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4 (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < 88c6e0995c04b170563b5c894c50a3b2152e18c2 (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < b9decada8749b606fd8b4f04a3d6c74f7983d7bc (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < a6cffe54064a5f6c2162a85af3c16c6b453eac4e (git)
Affected: c61e2775873f603148e8e998a938721b7d222d24 , < 725a521a18734f65de05b8d353b5bd0d3ca4c37a (git)
Affected: 61ebf0a926149cc161131470cf848cb70b3d6fe6 (git)
Affected: 0a1d9a860832a5ca43114cdebf0e8650463cc1f0 (git)
Affected: 5f54f145719f453dccc73304cd427096bf7b806c (git)
Affected: 063ab9cb6308a0806d623c8d6dda5cb2b3b87fce (git)

Linux

Affected: 3.6
Unaffected: 0 , < 3.6 (semver)
Unaffected: 4.9.337 , ≤ 4.9.* (semver)
Unaffected: 4.14.303 , ≤ 4.14.* (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/radeon/radeon_bios.c"
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              "status": "unaffected",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.163",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.86",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.16",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.2",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "3.2.29",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "3.4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "3.5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "3.2.60",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()\n\nAs comment of pci_get_class() says, it returns a pci_device with its\nrefcount increased and decreased the refcount for the input parameter\n@from if it is not NULL.\n\nIf we break the loop in radeon_atrm_get_bios() with \u0027pdev\u0027 not NULL, we\nneed to call pci_dev_put() to decrease the refcount. Add the missing\npci_dev_put() to avoid refcount leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-07T15:19:14.528Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6f28c7f67af4ef9bca580ab67ae2d4511797af56"
        },
        {
          "url": "https://git.kernel.org/stable/c/e738f82e5b1311e8fb3d1409491a6fcce6418fbe"
        },
        {
          "url": "https://git.kernel.org/stable/c/1079df6acf56f99d86b0081a38c84701412cc90e"
        },
        {
          "url": "https://git.kernel.org/stable/c/470a77989037c3ab2b08bf2d026d2c0ddc35ff5b"
        },
        {
          "url": "https://git.kernel.org/stable/c/3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4"
        },
        {
          "url": "https://git.kernel.org/stable/c/88c6e0995c04b170563b5c894c50a3b2152e18c2"
        },
        {
          "url": "https://git.kernel.org/stable/c/b9decada8749b606fd8b4f04a3d6c74f7983d7bc"
        },
        {
          "url": "https://git.kernel.org/stable/c/a6cffe54064a5f6c2162a85af3c16c6b453eac4e"
        },
        {
          "url": "https://git.kernel.org/stable/c/725a521a18734f65de05b8d353b5bd0d3ca4c37a"
        }
      ],
      "title": "drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50520",
    "datePublished": "2025-10-07T15:19:14.528Z",
    "dateReserved": "2025-10-07T15:15:38.663Z",
    "dateUpdated": "2025-10-07T15:19:14.528Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

FKIE_CVE-2022-50520

CVE-2022-50520 (GCVE-0-2022-50520)

Tags

Sightings

Nomenclature