CVE-2022-49538 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ALSA: jack: Access input_dev under mutex

It is possible when using ASoC that input_dev is unregistered while calling snd_jack_report which causes NULL pointer dereference. In order to prevent this serialize access to input_dev using mutex lock.

Reference

https://git.kernel.org/stable/c/1b6a6fc5280e97559287b61eade2d4b363e836f2 https://git.kernel.org/stable/c/582aea6084cc59fec881204f026816d1219f2348 https://git.kernel.org/stable/c/5cc6f623f4818c7d7e9e966a45ebf324901ca9c5 https://git.kernel.org/stable/c/74bab3bcf422593c582e47130aa8eb41ebb2dc09 https://git.kernel.org/stable/c/8487a88136d54a1a4d3f26f1399685db648ab879 https://git.kernel.org/stable/c/9e6a73b0c0f2014eb89249fb1640c5a3d58221c4 https://git.kernel.org/stable/c/c093b62c40027c21d649c5534ad7aa3605a99b00 https://git.kernel.org/stable/c/e2b8681769f6e205382f026b907d28aa5ec9d59a https://git.kernel.org/stable/c/f68bed124c7699e23ffb4ce4fcc84671e9193cde