CVE-2025-71303

In the Linux kernel, the following vulnerability has been resolved:

accel/amdxdna: Fix race condition when checking rpm_on

When autosuspend is triggered, driver rpmon flag is set to indicate that a suspend/resume is already in progress. However, when a userspace application submits a command during this narrow window, amdxdnapmresumeget() may incorrectly skip the resume operation because the rpm_on flag is still set. This results in commands being submitted while the device has not actually resumed, causing unexpected behavior.

The setdpm() is called by suspend/resume, it relied on rpmon flag to avoid calling into rpm suspend/resume recursivly. So to fix this, remove the use of the rpmon flag entirely. Instead, introduce aie2pmsetdpm() which explicitly resumes the device before invoking setdpm(). With this change, setdpm() is called directly inside the suspend or resume execution path. Otherwise, aie2pmset_dpm() is called.