{"id":"CVE-2022-50505","state":"PUBLISHED","title":"iommu/amd: Fix pci device refcount leak in ppr_notifier()","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.","publishedAt":"2025-10-04T15:43:54.265Z","updatedAt":"2026-05-11T19:20:43.821Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"bdb2113dd8f17a3cc84a2b4be4968a849f69ec72","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"efd50c65fd1cdef63eb58825f3fe72496443764c","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"8581ec1feb895ff596fe3d326d9ba320083290aa","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"03f51c72997559e73b327608f0cccfded715c9a0","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"902cc2507091a81643502d8ceb0e2f105e902518","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"b0637f4bd426925f5c3a15e8f8e36190fe06bac5","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"6cf0981c2233f97d56938d9d61845383d6eb227c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/iommu_v2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/iommu_v2.c"]}],"references":["https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72","https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c","https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa","https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0","https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5","https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518","https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5","https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50505.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50505","state":"PUBLISHED","datePublished":"2025-10-04T15:43:54.265Z","dateUpdated":"2026-05-11T19:20:43.821Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:39:19.465Z"},"containers":{"cna":{"title":"iommu/amd: Fix pci device refcount leak in ppr_notifier()","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"bdb2113dd8f17a3cc84a2b4be4968a849f69ec72","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"efd50c65fd1cdef63eb58825f3fe72496443764c","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"8581ec1feb895ff596fe3d326d9ba320083290aa","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"03f51c72997559e73b327608f0cccfded715c9a0","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"902cc2507091a81643502d8ceb0e2f105e902518","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"b0637f4bd426925f5c3a15e8f8e36190fe06bac5","versionType":"git"},{"version":"daae2d25a4779b272a66ddd01f5810bcee822b9e","status":"affected","lessThan":"6cf0981c2233f97d56938d9d61845383d6eb227c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/iommu_v2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iommu/amd/iommu_v2.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:20:43.821Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}