CVE-2022-49431

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < cb4f2dc513e99c5d0485661f114e4dda73612d10affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < dfc308d6f29aa28463deb9a12278a85a382385caaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < df6d8b689252c0acc0448d4ae3d33f2d6db048abaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8657e8ea23325949091da72453ba84fb73cc2bd9affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7e3f1dfb9e21733d7276bc9ccea4daada163f2baaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 57b742a5b8945118022973e6416b71351df512fbaffected
LinuxLinux2.6.12affected
LinuxLinux0 < 2.6.12unaffected
LinuxLinux5.4.198 <= 5.4.*unaffected
LinuxLinux5.10.121 <= 5.10.*unaffected
LinuxLinux5.15.46 <= 5.15.*unaffected
LinuxLinux5.17.14 <= 5.17.*unaffected
LinuxLinux5.18.3 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

References