AMD CPU Speculative Execution timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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2.6$0-$5k0.00

A vulnerability classified as problematic was found in AMD CPU (Chip Software) (the affected version is unknown). This vulnerability affects an unknown code of the component Speculative Execution. The manipulation with an unknown input leads to a timing discrepancy vulnerability. The CWE definition for the vulnerability is CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not. As an impact it is known to affect confidentiality.

The weakness was presented 06/10/2021. The advisory is available at amd.com. This vulnerability was named CVE-2021-26314. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

It is possible to mitigate the problem by applying the configuration setting .

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.6

VulDB Base Score: 2.6
VulDB Temp Score: 2.6
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: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
ATT&CK: T1592

Local: No
Remote: Partially

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: Config
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/29/2021 🔍
06/10/2021 +131 days 🔍
06/10/2021 +0 days 🔍
06/12/2021 +2 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26314 (🔍)

Entryinfo

Created: 06/10/2021 09:07
Updated: 06/12/2021 13:44
Changes: 06/10/2021 09:07 (37), 06/12/2021 13:44 (3)
Complete: 🔍

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