Amd · Amd Cpus · CVE-2021-46744
**Name of the Vulnerable Software and Affected Versions**
AMD CPUs (affected versions not specified)
**Description**
The issue is related to the implementation of the SEV-SNP (Secure Nested Paging) protective mechanism for virtual machines running on servers with AMD processors, which is associated with data encryption errors. An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.