AMD EPYC 7002 Processors SMM unnecessary privileges

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in AMD EPYC 7002 Processors, Ryzen Threadripper PRO 3000WX Processors, Ryzen Threadripper PRO 5000WX- Desktop Processors, Ryzen Threadripper PRO 7000 WX-Series Processors and EPYC Embedded 7002 Processors. The affected element is an unknown function of the component SMM. Such manipulation leads to unnecessary privileges. This vulnerability is referenced as CVE-2024-21924. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in AMD EPYC 7002 Processors, Ryzen Threadripper PRO 3000WX Processors, Ryzen Threadripper PRO 5000WX- Desktop Processors, Ryzen Threadripper PRO 7000 WX-Series Processors and EPYC Embedded 7002 Processors. Affected by this issue is an unknown function of the component SMM. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. Using CWE to declare the problem leads to CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SMM callout vulnerability within the AmdPlatformRasSspSmm driver could allow a ring 0 attacker to modify boot services handlers, potentially resulting in arbitrary code execution.

The advisory is shared for download at amd.com. This vulnerability is handled as CVE-2024-21924 since 01/03/2024. The exploitation is known to be easy. The attack needs to be approached locally. The exploitation requires an enhanced level of successful authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (AMD): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unnecessary privileges
CWE: CWE-250
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2024 🔍
02/11/2025 +405 days 🔍
02/11/2025 +0 days 🔍
02/11/2025 +0 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2024-21924 (🔍)
GCVE (CVE): GCVE-0-2024-21924
GCVE (VulDB): GCVE-100-295400

Entryinfo

Created: 02/11/2025 21:44
Changes: 02/11/2025 21:44 (61)
Complete: 🔍
Cache ID: 216::103

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