CVE-2021-46744

MEDIUM

AMD EPYC 7001/7002/7003 Firmware - Data Inference via Ciphertext Monitoring

Title source: llm

Description

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.

References (2)

Core 2

Core References

Vendor Advisory x_refsource_misc

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

http://www.openwall.com/lists/oss-security/2022/08/08/6

Scores

CVSS v3 6.5

EPSS 0.0010

EPSS Percentile 27.9%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Details

CWE

CWE-203

Status published

Products (50)

amd/epyc_7001_firmware

amd/epyc_7002_firmware

amd/epyc_7003_firmware

amd/epyc_7232p_firmware

amd/epyc_7251_firmware

amd/epyc_7252_firmware

amd/epyc_7261_firmware

amd/epyc_7262_firmware

amd/epyc_7272_firmware

amd/epyc_7281_firmware

... and 40 more

Published May 11, 2022

Tracked Since Feb 18, 2026