{"id":"CVE-2022-49431","state":"PUBLISHED","title":"powerpc/iommu: Add missing of_node_put in iommu_init_early_dart","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: Add missing of_node_put in iommu_init_early_dart\n\nThe device_node pointer is returned by of_find_compatible_node\nwith refcount incremented. We should use of_node_put() to avoid\nthe refcount leak.","publishedAt":"2025-02-26T02:12:49.592Z","updatedAt":"2026-05-11T18:59:41.304Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"cb4f2dc513e99c5d0485661f114e4dda73612d10","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"dfc308d6f29aa28463deb9a12278a85a382385ca","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"df6d8b689252c0acc0448d4ae3d33f2d6db048ab","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8657e8ea23325949091da72453ba84fb73cc2bd9","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7e3f1dfb9e21733d7276bc9ccea4daada163f2ba","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"57b742a5b8945118022973e6416b71351df512fb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/sysdev/dart_iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/sysdev/dart_iommu.c"]}],"references":["https://git.kernel.org/stable/c/cb4f2dc513e99c5d0485661f114e4dda73612d10","https://git.kernel.org/stable/c/dfc308d6f29aa28463deb9a12278a85a382385ca","https://git.kernel.org/stable/c/df6d8b689252c0acc0448d4ae3d33f2d6db048ab","https://git.kernel.org/stable/c/8657e8ea23325949091da72453ba84fb73cc2bd9","https://git.kernel.org/stable/c/7e3f1dfb9e21733d7276bc9ccea4daada163f2ba","https://git.kernel.org/stable/c/57b742a5b8945118022973e6416b71351df512fb"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49431.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49431","state":"PUBLISHED","datePublished":"2025-02-26T02:12:49.592Z","dateUpdated":"2026-05-11T18:59:41.304Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.569Z"},"containers":{"cna":{"title":"powerpc/iommu: Add missing of_node_put in iommu_init_early_dart","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: Add missing of_node_put in iommu_init_early_dart\n\nThe device_node pointer is returned by of_find_compatible_node\nwith refcount incremented. We should use of_node_put() to avoid\nthe refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"cb4f2dc513e99c5d0485661f114e4dda73612d10","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"dfc308d6f29aa28463deb9a12278a85a382385ca","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"df6d8b689252c0acc0448d4ae3d33f2d6db048ab","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8657e8ea23325949091da72453ba84fb73cc2bd9","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7e3f1dfb9e21733d7276bc9ccea4daada163f2ba","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"57b742a5b8945118022973e6416b71351df512fb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/sysdev/dart_iommu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/powerpc/sysdev/dart_iommu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/cb4f2dc513e99c5d0485661f114e4dda73612d10"},{"url":"https://git.kernel.org/stable/c/dfc308d6f29aa28463deb9a12278a85a382385ca"},{"url":"https://git.kernel.org/stable/c/df6d8b689252c0acc0448d4ae3d33f2d6db048ab"},{"url":"https://git.kernel.org/stable/c/8657e8ea23325949091da72453ba84fb73cc2bd9"},{"url":"https://git.kernel.org/stable/c/7e3f1dfb9e21733d7276bc9ccea4daada163f2ba"},{"url":"https://git.kernel.org/stable/c/57b742a5b8945118022973e6416b71351df512fb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:59:41.304Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}