Linux Kernel Vulnerability in Nvidia Decoder for Tegra Products

CVE-2025-38543

What is CVE-2025-38543?

A vulnerability has been identified in the Linux kernel's handling of DMA (Direct Memory Access) operations related to the Nvidia decoder for Tegra devices. The issue involves inadequate error checking for the memory allocation function dma_alloc_coherent, which may result in NULL return values not being properly handled. This oversight can lead to potential instability or malfunction of the NVDEC (Nvidia Video Decoder) functionality, emphasizing the importance of robust error handling in driver development.

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