Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2021-46778

UNKNOWN
Published 2022-08-09T20:20:12.911867Z
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2021-46778. We'll provide specific mitigation strategies based on your environment and risk profile.

No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

AMD

AMD Processors

Affected Versions:

Processor Some AMD Processors

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-745h-3gvr-9mc6

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-46778
WEB https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1039

Advisory provided by GitHub Security Advisory Database. Published: August 11, 2022, Modified: August 20, 2022

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1039
Published: 2022-08-09T20:20:12.911867Z
Last Modified: 2024-09-17T00:36:13.880Z
Copied to clipboard!