CVE-2023-20559

Published: Mar 23, 2023

Modified: Feb 25, 2025

PUBLISHED

Description

Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to escalation of privileges.

Vendor	Product	Versions
AMD	Ryzen™ 2000 Series	affected `various`
AMD	Ryzen™ 3000 Series	affected `various`
AMD	Ryzen™ 4000 Series	affected `various`
AMD	Ryzen™ 5000 Series	affected `various`
AMD	2nd Gen AMD Ryzen™ Threadripper™ Processor	affected `Various`
AMD	3rd Gen AMD Ryzen™ Threadripper™ Processors	affected `various`
AMD	Ryzen™ Threadripper™ PRO Processor	affected `various`

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1027.html

vendor-advisory

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CVE-2023-20559

Description

Affected Products

References