{"id":"CVE-2022-50157","state":"PUBLISHED","title":"PCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()\n\nof_get_next_child() returns a node pointer with refcount incremented, so we\nshould use of_node_put() on it when we don't need it anymore.\n\nmc_pcie_init_irq_domains() only calls of_node_put() in the normal path,\nmissing it in some error paths.  Add missing of_node_put() to avoid\nrefcount leak.","publishedAt":"2025-06-18T11:03:14.530Z","updatedAt":"2026-05-11T19:13:54.613Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58","versionType":"git"},{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"6cd5f93b5c6a66c68a91dbc604a78207252ecd43","versionType":"git"},{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"880ece912b958a0c92cc0baa8e906fb9b49a4b53","versionType":"git"},{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"f030304fdeb87ec8f1b518c73703214aec6cc24a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/pcie-microchip-host.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/pcie-microchip-host.c"]}],"references":["https://git.kernel.org/stable/c/c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58","https://git.kernel.org/stable/c/6cd5f93b5c6a66c68a91dbc604a78207252ecd43","https://git.kernel.org/stable/c/880ece912b958a0c92cc0baa8e906fb9b49a4b53","https://git.kernel.org/stable/c/f030304fdeb87ec8f1b518c73703214aec6cc24a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50157.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50157","state":"PUBLISHED","datePublished":"2025-06-18T11:03:14.530Z","dateUpdated":"2026-05-11T19:13:54.613Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-06-18T10:57:27.425Z"},"containers":{"cna":{"title":"PCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: microchip: Fix refcount leak in mc_pcie_init_irq_domains()\n\nof_get_next_child() returns a node pointer with refcount incremented, so we\nshould use of_node_put() on it when we don't need it anymore.\n\nmc_pcie_init_irq_domains() only calls of_node_put() in the normal path,\nmissing it in some error paths.  Add missing of_node_put() to avoid\nrefcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58","versionType":"git"},{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"6cd5f93b5c6a66c68a91dbc604a78207252ecd43","versionType":"git"},{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"880ece912b958a0c92cc0baa8e906fb9b49a4b53","versionType":"git"},{"version":"6f15a9c9f94133bee0d861a4bf25e10aaa95219d","status":"affected","lessThan":"f030304fdeb87ec8f1b518c73703214aec6cc24a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/pcie-microchip-host.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.61","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.18","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19.2","status":"unaffected","lessThanOrEqual":"5.19.*","versionType":"semver"},{"version":"6.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/pcie-microchip-host.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c0ad5c7e68d10f6f8ffb0f4329e3c19404fbca58"},{"url":"https://git.kernel.org/stable/c/6cd5f93b5c6a66c68a91dbc604a78207252ecd43"},{"url":"https://git.kernel.org/stable/c/880ece912b958a0c92cc0baa8e906fb9b49a4b53"},{"url":"https://git.kernel.org/stable/c/f030304fdeb87ec8f1b518c73703214aec6cc24a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:13:54.613Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.18.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.19.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}