CVE-2022-27672

Published: Feb 14, 2023

Modified: Apr 13, 2026

PUBLISHED

Description

When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.

Vendor	Product	Versions
AMD	1st Gen AMD EPYC™ Processors	affected `Contact your OS vendor`
AMD	2nd Gen AMD EPYC™ Processors	affected `Contact your OS vendor`
AMD	Athlon™ X4 Processor	affected `Contact your OS vendor`
AMD	Ryzen™ Threadripper™ PRO Processor	affected `Contact your OS vendor`
AMD	2nd Gen AMD Ryzen™ Threadripper™ Processors	affected `Contact your OS vendor`
AMD	3rd Gen AMD Ryzen™ Threadripper™ Processors	affected `Contact your OS vendor`
AMD	7th Generation AMD A-Series APUs	affected `Contact your OS vendor`
AMD	Ryzen™ 2000 Series Processors	affected `Contact your OS vendor`
AMD	Ryzen™ 3000 Series Processors	affected `Contact your OS vendor`
AMD	Ryzen™ 4000 Series Processors	affected `Contact your OS vendor`
AMD	Ryzen™ 5000 Series Processors	affected `Contact your OS vendor`
AMD	Athlon™ Mobile Processors	affected `Contact your OS vendor`

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1045

vendor-advisory

https://security.gentoo.org/glsa/202402-07

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2022-27672

Description

Affected Products

References