A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.
The product does not properly “clean up” and remove temporary or supporting resources after they have been used.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Amd64-microcode | Ubuntu | devel | * |
| Amd64-microcode | Ubuntu | esm-infra-legacy/trusty | * |
| Amd64-microcode | Ubuntu | esm-infra/bionic | * |
| Amd64-microcode | Ubuntu | esm-infra/focal | * |
| Amd64-microcode | Ubuntu | esm-infra/xenial | * |
| Amd64-microcode | Ubuntu | jammy | * |
| Amd64-microcode | Ubuntu | noble | * |
| Amd64-microcode | Ubuntu | plucky | * |
| Amd64-microcode | Ubuntu | questing | * |