CVE-2023-54233 ASoC: SOF: avoid a NULL dereference with unsupported widgets

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: avoid a NULL dereference with unsupported widgets If an IPC4 topology contains an unsupported widget, its .moduleinfo field won't be set, then sofipc4routesetup will cause a kernel Oops trying to dereference it. Add a...

CVE-2023-54233

The CVE-2023-54233 issue affects the Linux kernel ASoC/SOF path, where IPC4 topologies containing an unsupported widget could leave the .module_info field unset, leading to a NULL dereference in sof_ipc4_route_setup() and a kernel Oops. A fix adds a guard to handle such cases. Connected sources c...