Confidential VM: August 2026 kernel update may impact AMD SEV-SNP instances
infragcppreviewarchitect
announcement
Starting August 2026, Confidential VM instances utilizing AMD SEV-SNP may experience longer boot times and performance changes. This is due to upcoming guest kernel migrations and security updates, with a resolution expected by November 2026. Instances using AMD SEV or Intel TDX are not affected by this specific issue.
Known issues (1) ›
- Confidential VM
Starting August 2026, Confidential VM instances using AMD SEV-SNP might have longer boot times and performance changes due to a guest kernel migration and security updates. This issue is expected to be resolved by November 2026. Confidential VM instances using AMD SEV or Intel TDX aren't affected.
Read the original announcement →
https://docs.cloud.google.com/release-notes#July_28_2026
Related releases
- Cloud SDK 578.0.0: Database Migration default change, AlloyDB backup DR GA, BigQuery improvements Google Cloud release notes ·
- GKE: Opt-out of Arm taint, CORS for Gateways Google Cloud release notes ·
- Security Command Center ServiceNow Integration Updates Google Cloud release notes ·
- Compute Engine C4D Instances Increase Hyperdisk Throughput Google Cloud release notes ·
- Spanner allows creating tables without explicit primary keys Google Cloud release notes ·
- AlloyDB for PostgreSQL: IAM group auth in preview Google Cloud release notes ·