CVE-2022-49652 Information

Description

In the Linux kernel the following vulnerability has been resolved:

dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate

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

Add missing of_node_put() in to fix this.

Reference

https://git.kernel.org/stable/c/37147e22cd8dfc0412495cb361708836157a4486 https://git.kernel.org/stable/c/3bd66010398871807c1cebacee07d60ded1b1402 https://git.kernel.org/stable/c/452b9dfd7aca96befce22634fadb111737f22bbe https://git.kernel.org/stable/c/61b4ef19c346dc21ab1d4f39f5c412e3037b2bdc https://git.kernel.org/stable/c/b31ab132561c7f1b6459039152b8d09e44eb3565 https://git.kernel.org/stable/c/b5a817f8d62e9e13280928f3756e54854ae4962e https://git.kernel.org/stable/c/c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a https://git.kernel.org/stable/c/cb9813d7eae917acd34436160a278b8b5d48ca53