CVE-2026-97426: In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm: fix SmartShift bias sysfs store PM refcount on parse err

Executive brief

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

drm/amdgpu/pm: fix SmartShift bias sysfs store PM refcount on parse error

Return the parse error before acquiring PM access.

References

• https://git.kernel.org/stable/c/95e13b25196295654563028861e6802807006ad4
• https://git.kernel.org/stable/c/a4b0c3f5d2287997876d8f711a40d3c0418458d8