RLSA-2026:74132 Moderate: kernel-rt security, bug fix, and enhancement update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: RDMA/siw: Reject MPA FPDU length underflow before signed receive math CVE-2026-64102 kernel: vmxnet3: fix BUGON in vmxnet3gethdrle...