kernel: RDMA/mlx5: Fix mlx5_ib_get_hw_stats when used for device

An out-of-bounds write vulnerability exists in the linux kernel, such that when mlx5ibgethwstats is used forthe device portnum = 0, There is a special handling in order to use the correct counters, but, portnum is being passed down the stack without any change leading to damage in system...

PT-2025-38372

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.0-rc4 for upstream base 2022 11 10 16 12 1 Description A flaw exists in the Linux kernel's RDMA/mlx5 subsystem related to the handling of port numbers within the mlx5 ib get hw stats function. Specifically,...