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
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