Security Advisory

CVE-2026-72476

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-15 05:57:16
Last updated 2026-08-17 05:44:40
Assigner Linux
CVSS score 7.8
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix possible use after free In dma_release_channel(), check chan->device->privatecnt after call dma_chan_put(). However, dma_chan_put() call dma_device_put() which could release the last reference of the device if the DMA provider is already gone and hence free it. Fixes it by moving dma_chan_put() after the check.