DMA Allocation Issue in Linux Kernel Affects FFA Devices

CVE-2025-38043

What is CVE-2025-38043?

A vulnerability has been identified in the Linux kernel related to the configuration of the DMA mask for FFA devices. Incorrect DMA allocation using device pointers can result in warnings during operation, specifically highlighting potential problems in memory mapping. This issue underlines the importance of proper DMA management within the kernel to ensure system stability and security. Developers and system administrators should be aware of this configuration requirement to mitigate any unforeseen warnings or performance issues.

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