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CVE-2024-58012 is a NULL pointer dereference in the Linux kernel ASoC Sound Open Firmware (SOF) Intel HDA DAI implementation. During DAI parameter handling, a CPU DAI is expected to have an associated DAI widget. Audio topologies using aggregated amplifiers can fail to instantiate the required number of widgets, leaving the associated widget absent. The affected code could subsequently dereference that missing widget. The fix validates the CPU DAI's associated widget before using it.
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Linux kernel Intel SOF HDA DAI validation flaw.
A Linux kernel ASoC/SOF Intel HDA-DAI NULL-pointer-dereference vulnerability caused by missing DAI widgets in audio topologies for aggregated amplifiers.
A Linux kernel audio-subsystem flaw in the ASoC Sound Open Firmware (SOF) Intel HDA DAI component. Missing DAI widgets in aggregated-amplifier topologies can cause a local NULL pointer dereference, resulting in denial of service via kernel crash.
A Linux kernel ALSA System-on-Chip (ASoC) Sound Open Firmware (SOF) Intel HDA DAI NULL-pointer dereference. A malformed or incomplete topology for aggregated amplifiers can omit required DAI widgets, causing a NULL dereference during parameter handling. The fix validates that the widget associated with the CPU DAI exists.
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