AMD Ryzen 5000 Desktop Processor with Radeon Graphics on x84 TMR

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in AMD Ryzen 5000 Desktop Processor with Radeon Graphics, Athlon 3000 Desktop Processors with Radeon Graphics, Ryzen 4000 Desktop Processors with Radeon Graphics, Athlon 3000 Mobile Processors with Radeon Graphics, Ryzen 3000 Mobile Processor with Radeon Graphics, Ryzen 4000 Mobile Processors with Radeon Graphics, Ryzen 5000 Mobile Processors with Radeon Graphics, Ryzen 5000 Processors with Radeon Graphics, Ryzen 3000 Processors with Radeon Graphics, Radeon RX 6000 Graphics Cards, Radeon PRO W6000 Graphics Cards, Ryzen Embedded R1000 Processors, Ryzen Embedded R2000 Processors, Ryzen Embedded V1000 Processors and Ryzen Embedded V2000 Processors on x84. The impacted element is an unknown function of the component TMR Handler. The manipulation results in an unknown weakness. This vulnerability is known as CVE-2021-26367. Attacking locally is a requirement. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in AMD Ryzen 5000 Desktop Processor with Radeon Graphics, Athlon 3000 Desktop Processors with Radeon Graphics, Ryzen 4000 Desktop Processors with Radeon Graphics, Athlon 3000 Mobile Processors with Radeon Graphics, Ryzen 3000 Mobile Processor with Radeon Graphics, Ryzen 4000 Mobile Processors with Radeon Graphics, Ryzen 5000 Mobile Processors with Radeon Graphics, Ryzen 5000 Processors with Radeon Graphics, Ryzen 3000 Processors with Radeon Graphics, Radeon RX 6000 Graphics Cards, Radeon PRO W6000 Graphics Cards, Ryzen Embedded R1000 Processors, Ryzen Embedded R2000 Processors, Ryzen Embedded V1000 Processors and Ryzen Embedded V2000 Processors on x84. It has been classified as problematic. Affected is an unknown functionality of the component TMR Handler. This is going to have an impact on integrity, and availability. CVE summarizes:

A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.

The advisory is shared for download at amd.com. This vulnerability is traded as CVE-2021-26367 since 01/29/2021. The exploitability is told to be difficult. 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.

Upgrading eliminates this vulnerability.

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: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.0
VulDB Temp Score: 2.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.7
CNA Vector (AMD): 🔍

CVSSv2info

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

Exploitinginfo

Class: Unknown
CWE: Unknown
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

01/29/2021 🔍
08/13/2024 +1291 days 🔍
08/13/2024 +0 days 🔍
08/13/2024 +0 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26367 (🔍)
GCVE (CVE): GCVE-0-2021-26367
GCVE (VulDB): GCVE-100-274380

Entryinfo

Created: 08/13/2024 19:06
Changes: 08/13/2024 19:06 (61)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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