AMD Athlon/Ryzen/EPYC Power Frequency Scaling information exposure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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1.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in AMD Athlon, Ryzen and EPYC. This impacts an unknown function of the component Power Frequency Scaling Handler. The manipulation results in information exposure. This vulnerability is known as CVE-2022-23823. An attack on the physical device is feasible. No exploit is available. Applying the suggested workaround is recommended.

Detailsinfo

A vulnerability was found in AMD Athlon, Ryzen and EPYC (unknown version). It has been classified as problematic. Affected is an unknown code block of the component Power Frequency Scaling Handler. The manipulation with an unknown input leads to a information exposure vulnerability. CWE is classifying the issue as CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality. CVE summarizes:

A potential vulnerability in some AMD processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure.

The weakness was published 06/16/2022. The advisory is shared for download at amd.com. This vulnerability is traded as CVE-2022-23823 since 01/21/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

The best possible mitigation is suggested to be Workaround.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 1.8
VulDB Meta Temp Score: 1.8

VulDB Base Score: 1.8
VulDB Temp Score: 1.8
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: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
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: Workaround
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2022 🔍
06/16/2022 +145 days 🔍
06/16/2022 +0 days 🔍
06/16/2022 +0 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2022-23823 (🔍)
GCVE (CVE): GCVE-0-2022-23823
GCVE (VulDB): GCVE-100-202200

Entryinfo

Created: 06/16/2022 09:05
Changes: 06/16/2022 09:05 (38)
Complete: 🔍
Cache ID: 216::103

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