{"api_version":"1","generated_at":"2026-11-10T16:43:33+00:00","cve":"CVE-2022-50520","urls":{"html":"https://cve.report/CVE-2022-50520","api":"https://cve.report/api/cve/CVE-2022-50520.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-50520","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-50520"},"summary":{"title":"drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()","description":"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 'pdev' not NULL, we\nneed to call pci_dev_put() to decrease the refcount. Add the missing\npci_dev_put() to avoid refcount leak.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-10-07 16:15:35","updated_at":"2026-11-05 21:17:03"},"problem_types":["NVD-CWE-Other"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/a6cffe54064a5f6c2162a85af3c16c6b453eac4e","name":"https://git.kernel.org/stable/c/a6cffe54064a5f6c2162a85af3c16c6b453eac4e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e738f82e5b1311e8fb3d1409491a6fcce6418fbe","name":"https://git.kernel.org/stable/c/e738f82e5b1311e8fb3d1409491a6fcce6418fbe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/88c6e0995c04b170563b5c894c50a3b2152e18c2","name":"https://git.kernel.org/stable/c/88c6e0995c04b170563b5c894c50a3b2152e18c2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1079df6acf56f99d86b0081a38c84701412cc90e","name":"https://git.kernel.org/stable/c/1079df6acf56f99d86b0081a38c84701412cc90e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/470a77989037c3ab2b08bf2d026d2c0ddc35ff5b","name":"https://git.kernel.org/stable/c/470a77989037c3ab2b08bf2d026d2c0ddc35ff5b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/725a521a18734f65de05b8d353b5bd0d3ca4c37a","name":"https://git.kernel.org/stable/c/725a521a18734f65de05b8d353b5bd0d3ca4c37a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6f28c7f67af4ef9bca580ab67ae2d4511797af56","name":"https://git.kernel.org/stable/c/6f28c7f67af4ef9bca580ab67ae2d4511797af56","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b9decada8749b606fd8b4f04a3d6c74f7983d7bc","name":"https://git.kernel.org/stable/c/b9decada8749b606fd8b4f04a3d6c74f7983d7bc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4","name":"https://git.kernel.org/stable/c/3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-50520","name":"CVE 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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 'pdev' 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":"2026-05-23T15:24:39.058Z","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 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Fix PCI device refcount leak in radeon_atrm_get_bios","CVE":"CVE-2022-50520","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"50520","Ordinal":"1","NoteData":"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 'pdev' not NULL, we\nneed to call pci_dev_put() to decrease the refcount. Add the missing\npci_dev_put() to avoid refcount leak.","Type":"Description","Title":"drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios"}]}}}