CVE-2021-46778

 

Published at: - 10-08-2022 10:15

Last modified: - 19-08-2022 03:59

Total changes: - 3

Description

Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1�, “Zen 2� and “Zen 3� that use simultaneous multithreading (SMT). By measuring the contention level on scheduler queues an attacker may potentially leak sensitive information.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1039

 

Keywords

NVD

 

CVE-2021-46778

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures