CVE-2023-53866

CVE-2023-53866 relates to the Linux kernel ASoC soc-compress path. The issue occurred when panic_on_warn was set and a compress stream (DPCM) started, because card->pcm_mutex wasn’t held in several call sites (dpcm_be_connect, dpcm_be_disconnect, snd_soc_runtime_action, dpcm_dapm_stream_event)...