CVE-2021-46778

Published: Aug 9, 2022

Modified: Sep 17, 2024

PUBLISHED

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.

Vendor	Product	Versions
AMD	AMD Processors	affected `Processor Some AMD Processors`

References

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

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CVE-2021-46778

Description

Affected Products

References