CVE-2026-97421 RDMA/umem: Be careful about boundary conditions in ib_umem_find_best_pgsz()

In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Be careful about boundary conditions in ibumemfindbestpgsz Several corner cases, especially important on 32 bits: - umem-iova is u64, the function argument should pass in u64 or iova will be truncated - Check that the...