CVE-2025-38373 IB/mlx5: Fix potential deadlock in MR deregistration

In the Linux kernel, the following vulnerability has been resolved: IB/mlx5: Fix potential deadlock in MR deregistration The issue arises when kzalloc is invoked while holding umemmutex or any other lock acquired under umemmutex. This is problematic because kzalloc can trigger fsreclaimaqcuire,...