A device leak vulnerability has been resolved in the Linux kernel's dmaengine idxd subsystem. The issue occurs during compat bind and unbind operations, potentially leading to resource exhaustion. Users should apply the provided fix to prevent device leaks.
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: fix device leaks on compat bind and unbind
Make sure to drop the reference taken when looking up the idxd device as part of the compat bind and unbind sysfs interface.