{"cve":"CVE-2022-50505","nvd":{"published":"2025-10-04T16:15:47.730","modified":"2026-06-17T05:23:41.060","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/amd: Fix pci device refcount leak in ppr_notifier()\n\nAs comment of pci_get_domain_bus_and_slot() says, it returns\na pci device with refcount increment, when finish using it,\nthe caller must decrement the reference count by calling\npci_dev_put(). So call it before returning from ppr_notifier()\nto 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/03f51c72997559e73b327608f0cccfded715c9a0","https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c","https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5","https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa","https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2022-50505","score":0.00163,"percentile":0.05484,"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."]}