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CVE-2022-49431

powerpc/iommu: Add missing of_node_put in iommu_init_early_dart

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Add missing of_node_put in iommu_init_early_dart The device_node pointer is returned by of_find_compatible_node with refcount incremented. We should use of_node_put() to avoid the refcount leak.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/57b742a5b8945118022973e6416b71351df512fbhttps://git.kernel.org/stable/c/7e3f1dfb9e21733d7276bc9ccea4daada163f2bahttps://git.kernel.org/stable/c/8657e8ea23325949091da72453ba84fb73cc2bd9https://git.kernel.org/stable/c/cb4f2dc513e99c5d0485661f114e4dda73612d10https://git.kernel.org/stable/c/df6d8b689252c0acc0448d4ae3d33f2d6db048abhttps://git.kernel.org/stable/c/dfc308d6f29aa28463deb9a12278a85a382385ca