In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension If a process module does not have base config extension then the same format applies to all of it's inputs and the process->base_config_ext is NULL, causing NULL dereference when specifically crafted topology and sequences used.
https://git.kernel.org/stable/c/ffa077b2f6ad124ec3d23fbddc5e4b0ff2647af8
https://git.kernel.org/stable/c/e3ae00ee238bce6cfa5ad935c921181c14d18fd6
https://git.kernel.org/stable/c/9e16f17a2a0e97b43538b272e7071537a3e03368