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.
Attack Vector Network
Attack Complexity Low
Privileges Required High
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction None
No CVSS v3.0
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
AV:N/AC:L/Au:S/C:C/I:C/A:C
Vendors | Products |
---|---|
Amd |
|
Configuration 1 [-]
|
References
Link | Resource |
---|---|
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004 | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: AMD
Published: 2021-05-11T00:00:00
Updated: 2021-05-13T11:06:17
Reserved: 2021-01-29T00:00:00
Link: CVE-2021-26311
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-05-13T12:15:07.597
Modified: 2021-05-25T14:49:38.307
Link: CVE-2021-26311
JSON object: View
Redhat Information
No data.
CWE