Reference Count Leak in Linux Kernel's Meson HDMI Encoder

CVE-2022-50188

What is CVE-2022-50188?

A reference count leak has been identified in the Linux Kernel related to the Meson HDMI encoder. The issue arises in the function 'of_find_device_by_node()', which improperly manages reference counts. Specifically, when an error occurs, the code fails to release the allocated device reference using 'put_device()', leading to a potential resource leak. The vulnerability has been addressed in subsequent updates.

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