CVE-2021-26311

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.

Summary:

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.

Reference Links(if available):

  • https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004
  • CVSS Score (if available)

    v2: / HIGH

    v3: /

    Links to Exploits(if available)