Bug 2347651 (CVE-2022-49439)

Summary: CVE-2022-49439 kernel: powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, rhel-process-autobot, vkumar, watson-tool-maintainers
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-02-26 03:01:48 UTC 
In the Linux kernel, the following vulnerability has been resolved:

powerpc/fsl_rio: Fix refcount leak in fsl_rio_setup

of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
Comment 1 Mauro Matteo Cascella 2025-02-26 12:49:36 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022657-CVE-2022-49439-a4af@gregkh/T