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VULNERABILITIES

CVE-2021-46778 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-IDCWE NameSource
CWE-203Observable Discrepancy[email protected]

Affected Products

ProductVersions

Change History

5 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2021-46778
NVD Published Date:
Aug 10, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]