CVE-2022-49454 Information

Description

In the Linux kernel the following vulnerability has been resolved:

PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup()

The of_find_compatible_node() function returns a node pointer with refcount incremented We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount.

Reference

https://git.kernel.org/stable/c/09b2d906d78ddf5042b1f3e0091835fc6997e8a4 https://git.kernel.org/stable/c/214e0d8fe4a813ae6ffd62bc2dfe7544c20914f4 https://git.kernel.org/stable/c/4cef4237d6c37257cb6ddc397723e9c0dded0efe https://git.kernel.org/stable/c/ad1c9d13e04509ae24fae8dd2897148657323519