Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 6.8. It stems from the axienet driver failing to release unfinished DMA buffers when dmaengine is disabled, resulting in a leak of SKB and its DMA mappings. This may exhaust the limited IOMMU address space, and there is also a race condition...

CVE-2025-39897

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Add error handling for RX metadata pointer retrieval Add proper error checking for dmaenginedescgetmetadataptr which can return an error pointer and lead to potential crashes or undefined behaviour if the...