There was a misconfiguration with Simultaneous Multi-Threading (SMT),
also known as Hyper-threading, in GKE Sandbox images, causing nodes
to be potentially exposed to side channel attacks such as
Microarchitectural Data Sampling (MDS).
Upgrade nodes to versions 1.22.6-gke.1500 and later or 1.23.3-gke.1100 and later.
No tracked CVEs