{"id":"CVE-2022-50520","title":"drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()","summary":"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 decrease…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 6f28c7f67af4ef9bca580ab67ae2d4511797af56","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < e738f82e5b1311e8fb3d1409491a6fcce6418fbe","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 1079df6acf56f99d86b0081a38c84701412cc90e","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 470a77989037c3ab2b08bf2d026d2c0ddc35ff5b","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 88c6e0995c04b170563b5c894c50a3b2152e18c2","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < b9decada8749b606fd8b4f04a3d6c74f7983d7bc","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < a6cffe54064a5f6c2162a85af3c16c6b453eac4e","Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 725a521a18734f65de05b8d353b5bd0d3ca4c37a","Linux 61ebf0a926149cc161131470cf848cb70b3d6fe6","Linux 0a1d9a860832a5ca43114cdebf0e8650463cc1f0","Linux 5f54f145719f453dccc73304cd427096bf7b806c","Linux 063ab9cb6308a0806d623c8d6dda5cb2b3b87fce","Linux >= 3.2.29 < 3.3","Linux >= 3.4.12 < 3.5","Linux >= 3.5.5 < 3.6","Linux >= 3.2.60 < 3.3","Linux 3.6"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:12:54.499349Z"},"published":"2025-10-07","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:50.560Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50520","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"}],"tags":["cve.org"],"epss":0.00167,"epssPercentile":0.05969,"ingestedAt":"2026-11-05T22:38:31.746Z","slug":"CVE-2022-50520","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 6f28c7f67af4ef9bca580ab67ae2d4511797af56`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < e738f82e5b1311e8fb3d1409491a6fcce6418fbe`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 1079df6acf56f99d86b0081a38c84701412cc90e`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 470a77989037c3ab2b08bf2d026d2c0ddc35ff5b`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 88c6e0995c04b170563b5c894c50a3b2152e18c2`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < b9decada8749b606fd8b4f04a3d6c74f7983d7bc`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < a6cffe54064a5f6c2162a85af3c16c6b453eac4e`\n- `Linux >= c61e2775873f603148e8e998a938721b7d222d24 < 725a521a18734f65de05b8d353b5bd0d3ca4c37a`\n- `Linux 61ebf0a926149cc161131470cf848cb70b3d6fe6`\n- `Linux 0a1d9a860832a5ca43114cdebf0e8650463cc1f0`\n- `Linux 5f54f145719f453dccc73304cd427096bf7b806c`\n- `Linux 063ab9cb6308a0806d623c8d6dda5cb2b3b87fce`\n- `Linux >= 3.2.29 < 3.3`\n- `Linux >= 3.4.12 < 3.5`\n- `Linux >= 3.5.5 < 3.6`\n- `Linux >= 3.2.60 < 3.3`\n- `Linux 3.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}