{"id":"CVE-2022-50505","title":"iommu/amd: Fix pci device refcount leak in ppr_notifier()","summary":"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 finis…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < bdb2113dd8f17a3cc84a2b4be4968a849f69ec72","Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < efd50c65fd1cdef63eb58825f3fe72496443764c","Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 8581ec1feb895ff596fe3d326d9ba320083290aa","Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 03f51c72997559e73b327608f0cccfded715c9a0","Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5","Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 902cc2507091a81643502d8ceb0e2f105e902518","Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < b0637f4bd426925f5c3a15e8f8e36190fe06bac5","Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 6cf0981c2233f97d56938d9d61845383d6eb227c","Linux 4.14"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:12:37.409492Z"},"published":"2025-10-04","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:49.914Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50505","references":[{"url":"https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72"},{"url":"https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c"},{"url":"https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa"},{"url":"https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0"},{"url":"https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5"},{"url":"https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518"},{"url":"https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5"},{"url":"https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c"}],"tags":["cve.org"],"epss":0.00163,"epssPercentile":0.05528,"ingestedAt":"2026-11-05T22:38:31.745Z","slug":"CVE-2022-50505","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < bdb2113dd8f17a3cc84a2b4be4968a849f69ec72`\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < efd50c65fd1cdef63eb58825f3fe72496443764c`\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 8581ec1feb895ff596fe3d326d9ba320083290aa`\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 03f51c72997559e73b327608f0cccfded715c9a0`\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5`\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 902cc2507091a81643502d8ceb0e2f105e902518`\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < b0637f4bd426925f5c3a15e8f8e36190fe06bac5`\n- `Linux >= daae2d25a4779b272a66ddd01f5810bcee822b9e < 6cf0981c2233f97d56938d9d61845383d6eb227c`\n- `Linux 4.14`\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":[]}