Unrated severityNVD Advisory· Published Aug 9, 2022· Updated Sep 17, 2024
CVE-2021-46778
CVE-2021-46778
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.
Affected products
3- Range: Processor Some AMD Processors
Patches
Vulnerability mechanics
References
1- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1039mitrex_refsource_MISC
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