AMD CPU SMU denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in AMD CPU and classified as problematic. Affected by this vulnerability is an unknown functionality of the component SMU. The manipulation results in denial of service. This vulnerability was named CVE-2023-20531. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in AMD CPU (Chip Software) (the affected version is unknown). Affected is an unknown code of the component SMU. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of service.

The weakness was presented 01/11/2023. The advisory is available at amd.com. This vulnerability is traded as CVE-2023-20531 since 10/27/2022. The technical details are unknown and an exploit is not available.

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

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
01/11/2023 +76 days 🔍
01/11/2023 +0 days 🔍
04/07/2025 +817 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2023-20531 (🔍)
GCVE (CVE): GCVE-0-2023-20531
GCVE (VulDB): GCVE-100-217998

Entryinfo

Created: 01/11/2023 14:55
Updated: 04/07/2025 23:17
Changes: 01/11/2023 14:55 (38), 02/01/2023 15:22 (11), 04/07/2025 23:17 (16)
Complete: 🔍
Cache ID: 216::103

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