{"cve":"CVE-2022-50520","nvd":{"published":"2025-10-07T16:15:35.747","modified":"2026-06-17T05:23:42.890","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/1079df6acf56f99d86b0081a38c84701412cc90e","https://git.kernel.org/stable/c/3991d98a8a07b71c02f3a39f77d6d9a7f575a5c4","https://git.kernel.org/stable/c/470a77989037c3ab2b08bf2d026d2c0ddc35ff5b","https://git.kernel.org/stable/c/6f28c7f67af4ef9bca580ab67ae2d4511797af56","https://git.kernel.org/stable/c/725a521a18734f65de05b8d353b5bd0d3ca4c37a"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2022-50520","score":0.00167,"percentile":0.05922,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}