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.
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033
http://www.openwall.com/lists/oss-security/2022/08/08/6
Source: Mitre, NVD
Published: 2022-05-11
Updated: 2023-08-08
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 6.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Severity: Medium