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Unrated severityNVD Advisory· Published Feb 26, 2025· Updated Oct 1, 2025

drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init

CVE-2022-49462

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init

of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore.

a6xx_gmu_init() passes the node to of_find_device_by_node() and of_dma_configure(), of_find_device_by_node() will takes its reference, of_dma_configure() doesn't need the node after usage.

Add missing of_node_put() to avoid refcount leak.

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128

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