CVE-2024-36354

SMM code execution via unvalidated SPD metadata

Published Sep 6, 2025 · Updated Feb 26, 2026

Improper input validation in AMD processor boot firmware allows privileged attackers to execute arbitrary code at the SMM level. The boot loader accepts attacker-controlled DIMM SPD metadata without sufficient validation, allowing the resulting memory configuration to bypass SMM isolation. Exploitation requires physical access, ring0 access with a non-compliant DIMM, or control of the BIOS-update root of trust.

CVSS severity7.2
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in AMD processor boot firmware allows privileged attackers to execute arbitrary code at the SMM level. The boot loader accepts attacker-controlled DIMM SPD metadata without sufficient validation, allowing the resulting memory configuration to bypass SMM isolation. Exploitation requires physical access, ring0 access with a non-compliant DIMM, or control of the BIOS-update root of trust.

The record

CVE
CVE-2024-36354
Published
Sep 6, 2025
Updated
Feb 26, 2026
Vendor
Advanced Micro Devices, Inc.
Product
AMD Ryzen™ 7000 Series Desktop Processors
Classifications
T1068
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Advanced Micro Devices, Inc. · AMD Ryzen™ 7000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC 4004 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Threadripper™ PRO 3000 WX-Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Athlon™ 3000 Series Desktop Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen 7040 Series Mobile Processors with Radeon GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC™ Embedded 97X4 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC Embedded 7003 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC Embedded 7002 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Embedded V3000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC Embedded 9004 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen Embedded V2000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC Embedded 3000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Embedded 5000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 4000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen Embedded 7000 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC™ 8004 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 8000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC™ 9004 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC™ 7001 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ Threadripper™ 3000 ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 7035 Series Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC 7002 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 8040 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 9000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 3000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 5000 Series Desktop ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD EPYC™ 7003 Series ProcessorsAffected versions are unavailable in this record.
Advanced Micro Devices, Inc. · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAffected versions are unavailable in this record.

Published CVSS scores

7.2AMDCVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.5AMDCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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