CVE-2021-46778

MediumCVSS 5.6/10Last modified Jun 17, 2026

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 3.1 5.6/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-203

Affected software

No affected versions have been published.

Timeline

Published: Aug 10, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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