CVE-2021-46778

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.

Score
CVSS 3.1 5.6 Medium
Status
Modified - psirt@amd.com
Published
2022-08-10
Last modified
2024-09-17
Weaknesses
CWE-203

Affected products

References

 
 
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