CVE-2024-50101

Summary

CVE-2024-50101 is a vulnerability affecting the Linux kernel. It was identified in the iommu/vt-d subsystem where a mistake in the domain_context_clear() function led to PCI_for_each_ DMA_alias() being improperly called for non-PCI devices. This error could result in unpredictable behavior such as kernel hangs. To mitigate this issue, the Linux kernel developers have introduced a check to only invoke pci_for_each_dma_alias() for PCI devices while using domain_context_clear_one() directly for non-PCI devices.

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