Security Advisory

CVE-2021-46778

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-08-09 20:20:12

Last updated 2024-09-17 00:36:13

Assigner AMD

State 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.

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