CVE-2025-29950: Privileged SMM Input Validation Flaw Allows Code Exec
CVE-2025-29950 Published on February 10, 2026

Improper input validation in system management mode (SMM) could allow a privileged attacker to overwrite stack memory leading to arbitrary code execution.

NVD

Weakness Type

Insufficient Protections on the Volatile Memory Containing Boot Code

The protections on the product's non-volatile memory containing boot code are insufficient to prevent the bypassing of secure boot or the execution of an untrusted, boot code chosen by an adversary.


Affected Versions

AMD EPYC™ 9004 Series Processors: AMD EPYC™ 7003 Series Processors: AMD EPYC™ 7002 Series Processors: AMD EPYC™ 7001 Series Processors: AMD EPYC™ 9005 Series Processors: AMD Instinct™ MI300A: AMD EPYC™ 9V64H Processor: AMD Ryzen™ Threadripper™ PRO 3000WX Processors: AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors: AMD Ryzen™ Threadripper™ 7000 Processors: AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors: AMD Ryzen™ Threadripper™ 9000 Processors: AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors: AMD EPYC™ Embedded 7003 Series Processors: AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa"): AMD EPYC™ Embedded 7002 Series Processors: AMD EPYC™ Embedded 3000 Series Processors: AMD EPYC™ Embedded 9005 Series Processors: AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo"): AMD EPYC™ Embedded 8004 Series Processors:

Exploit Probability

EPSS
0.01%
Percentile
0.46%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.