CVE-2021-26311

AMD Secure Encrypted Virtualization

State: Published
Severity: Not scored
Published: May 13, 2021
Updated: Sep 17, 2024
Reserved: Jan 29, 2021

Description

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
SEV/SEV-ESAMD	before SEV-SNPAffected

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004

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