AMD EPYC 7003 Processors IOMMU improper check or handling of exceptional conditions

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00+

Summaryinfo

A vulnerability classified as critical was found in AMD EPYC 7003 Processors, EPYC 9004 Processors, EPYC Embedded 7003 Processors and EPYC Embedded 9004 Processors. Affected by this issue is some unknown functionality of the component IOMMU. Executing a manipulation can lead to improper check or handling of exceptional conditions. This vulnerability is tracked as CVE-2024-21954. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in AMD EPYC 7003 Processors, EPYC 9004 Processors, EPYC Embedded 7003 Processors and EPYC Embedded 9004 Processors (version unknown). This vulnerability affects an unknown function of the component IOMMU. The manipulation with an unknown input leads to a improper check or handling of exceptional conditions vulnerability. The CWE definition for the vulnerability is CWE-703. The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product. As an impact it is known to affect availability. CVE summarizes:

Improper exception handling in IOMMU could allow an invalidate command to be sent to PCIe devices that do not support Address Translation Cache (ATC), potentially resulting in denial of service.

The advisory is shared for download at amd.com. This vulnerability was named CVE-2024-21954 since 01/03/2024. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper check or handling of exceptional conditions
CWE: CWE-703
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/03/2024 CVE reserved
11/12/2026 +1044 days Advisory disclosed
11/12/2026 +0 days VulDB entry created
11/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CNA: AMD
CVE: CVE-2024-21954 (🔒)

GCVE (CVE): GCVE-0-2024-21954
GCVE (VulDB): GCVE-100-436492

Entryinfo

Created: 11/12/2026 20:27
Changes: 11/12/2026 20:27 (63)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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