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OpenAdvisories
Medium · 6.5 CVE-2021-39298 EUVD-2021-25659GHSA-jxf5-m5fg-rw27

A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SM…

Published Feb 16, 2022 · Updated Oct 7, 2026 · Assigned by AMD

Description

A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.

Affected products

VendorProductAffectedFixed
AMD 2nd Gen EPYC Various —
AMD 3rd Gen EPYC various —
AMD Ryzen 2000 Series various —
AMD Ryzen 3000 Series Various —
AMD Ryzen 5000 Series various —

Advisories 3

References