{"id":"CVE-2022-50520","summary":"drm/radeon: Fix PCI device refcount leak in radeon_atrm_get_bios()","details":"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.","modified":"2026-05-18T05:55:52.482293327Z","published":"2025-10-07T15:19:14.528Z","related":["SUSE-SU-2025:4111-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4320-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50520.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1079df6acf56f99d86b0081a38c84701412cc90e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/470a77989037c3ab2b08bf2d026d2c0ddc35ff5b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6f28c7f67af4ef9bca580ab67ae2d4511797af56"},{"type":"WEB","url":"https://git.kernel.org/stable/c/725a521a18734f65de05b8d353b5bd0d3ca4c37a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/88c6e0995c04b170563b5c894c50a3b2152e18c2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a6cffe54064a5f6c2162a85af3c16c6b453eac4e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b9decada8749b606fd8b4f04a3d6c74f7983d7bc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e738f82e5b1311e8fb3d1409491a6fcce6418fbe"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50520.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50520"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c61e2775873f603148e8e998a938721b7d222d24"},{"fixed":"6f28c7f67af4ef9bca580ab67ae2d4511797af56"},{"fixed":"e738f82e5b1311e8fb3d1409491a6fcce6418fbe"},{"fixed":"1079df6acf56f99d86b0081a38c84701412cc90e"},{"fixed":"470a77989037c3ab2b08bf2d026d2c0ddc35ff5b"},{"fixed":"3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4"},{"fixed":"88c6e0995c04b170563b5c894c50a3b2152e18c2"},{"fixed":"b9decada8749b606fd8b4f04a3d6c74f7983d7bc"},{"fixed":"a6cffe54064a5f6c2162a85af3c16c6b453eac4e"},{"fixed":"725a521a18734f65de05b8d353b5bd0d3ca4c37a"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"61ebf0a926149cc161131470cf848cb70b3d6fe6"},{"last_affected":"0a1d9a860832a5ca43114cdebf0e8650463cc1f0"},{"last_affected":"5f54f145719f453dccc73304cd427096bf7b806c"},{"last_affected":"063ab9cb6308a0806d623c8d6dda5cb2b3b87fce"}]}],"versions":["v3.2.59","v3.2.58","v3.2.57","v3.2.56","v3.2.55","v3.2.54","v3.2.53","v3.2.52","v3.2.51","v3.2.50","v3.2.49","v3.2.48","v3.2.47","v3.2.46","v3.2.45","v3.2.44","v3.2.43","v3.2.42","v3.2.41","v3.2.40","v3.2.39","v3.2.38","v3.2.37","v3.2.36","v3.2.35","v3.2.34","v3.2.33","v3.2.32","v3.2.31","v3.2.30","v3.5-rc3","v3.5.4","v3.4.11","v3.5","v3.2.29","v3.4.10","v3.5.3","v3.2.28","v3.4-rc4","v3.4.9","v3.5.2","v3.2.27","v3.4.8","v3.5.1","v3.2.26","v3.4.7","v3.2.25","v3.2.24","v3.4.6","v3.5-rc7","v3.2.23","v3.5-rc5","v3.5-rc6","v3.4.5","v3.4.4","v3.5-rc2","v3.2.22","v3.5-rc1","v3.5-rc4","v3.2.21","v3.4","v3.4.3","v3.2.20","v3.4.2","v3.2.19","v3.4.1","v3.2.18","v3.4-rc2","v3.4-rc1","v3.2.17","v3.4-rc7","v3.4-rc6","v3.4-rc3","v3.4-rc5","v3.2.16","v3.2.15","v3.3","v3.2.14","v3.2.13","v3.3-rc6","v3.3-rc3","v3.2.12","v3.3-rc7","v3.2.11","v3.3-rc2","v3.3-rc5","v3.2","v3.2.10","v3.3-rc4","v3.2.9","v3.3-rc1","v3.2.8","v3.2.7","v3.2.6","v3.2.5","v3.2.4","v3.2.3","v3.2.2","v3.2.1","v3.2-rc4","v3.2-rc7","v3.2-rc6","v3.2-rc5","v3.2-rc3","v3.1","v3.2-rc2","v3.2-rc1","v3.1-rc1","v3.1-rc9","v3.1-rc8","v3.1-rc10","v3.1-rc7","v3.1-rc3","v3.1-rc2","v3.1-rc4","v3.1-rc5","v3.0","v3.1-rc6","v3.0-rc7","v3.0-rc4","v3.0-rc6","v3.0-rc5","v3.0-rc3","v3.0-rc1","v2.6.39","v3.0-rc2","v2.6.38","v2.6.39-rc2","v2.6.39-rc7","v2.6.39-rc5","v2.6.39-rc1","v2.6.38-rc7","v2.6.39-rc6","v2.6.39-rc4","v2.6.39-rc3","v2.6.37","v2.6.38-rc1","v2.6.38-rc8","v2.6.38-rc2","v2.6.38-rc6","v2.6.38-rc5","v2.6.38-rc4","v2.6.38-rc3","v2.6.37-rc4","v2.6.37-rc2","v2.6.36","v2.6.37-rc5","v2.6.37-rc8","v2.6.37-rc7","v2.6.37-rc6","v2.6.37-rc1","v2.6.37-rc3","v2.6.36-rc6","v2.6.35-rc4","v2.6.36-rc8","v2.6.35","v2.6.36-rc7","v2.6.36-rc3","v2.6.36-rc5","v2.6.36-rc4","v2.6.36-rc2","v2.6.36-rc1","v2.6.35-rc5","v2.6.35-rc6","v2.6.34","v2.6.35-rc3","v2.6.35-rc1","v2.6.35-rc2","v2.6.34-rc7","v2.6.34-rc6","v2.6.34-rc5","v2.6.34-rc4","v2.6.34-rc3","v2.6.34-rc2","v2.6.34-rc1","v2.6.33","v2.6.33-rc6","v2.6.33-rc8","v2.6.33-rc4","v2.6.33-rc5","v2.6.33-rc3","v2.6.33-rc7","v2.6.33-rc2","v2.6.32","v2.6.33-rc1","v2.6.32-rc8","v2.6.32-rc7","v2.6.32-rc6","v2.6.31","v2.6.32-rc5","v2.6.32-rc4","v2.6.32-rc2","v2.6.32-rc1","v2.6.32-rc3","v2.6.31-rc9","v2.6.31-rc1","v2.6.31-rc7","v2.6.31-rc8","v2.6.31-rc6","v2.6.30-rc6","v2.6.30","v2.6.31-rc4","v2.6.31-rc5","v2.6.31-rc3","v2.6.31-rc2","v2.6.30-rc7","v2.6.30-rc8","v2.6.30-rc5","v2.6.30-rc3","v2.6.30-rc4","v2.6.30-rc1","v2.6.30-rc2","v2.6.29","v2.6.29-rc8","v2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