CVE-2021-47020 Information

Description

In the Linux kernel the following vulnerability has been resolved:

soundwire: stream: fix memory leak in stream config error path

When stream config is failed master runtime will release all slave runtime in the slave_rt_list but slave runtime is not added to the list at this time. This patch frees slave runtime in the config error path to fix the memory leak.

Reference

https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80 https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002 https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88 https://git.kernel.org/stable/c/effd2bd62b416f6629e18e3ce077c60de14cfdea https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f