AMD Ryzen/Athlon/EPYC Branch Predictor information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in AMD Ryzen, Athlon and EPYC. This affects an unknown part of the component Branch Predictor. Executing a manipulation can lead to information disclosure. This vulnerability is registered as CVE-2022-23825. The attack needs to be launched locally. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in AMD Ryzen, Athlon and EPYC (the affected version unknown). It has been declared as problematic. This vulnerability affects an unknown part of the component Branch Predictor. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.

The weakness was published 07/15/2022. The advisory is shared for download at amd.com. This vulnerability was named CVE-2022-23825 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 vulnerability scanner Nessus provides a plugin with the ID 208564 (CentOS 7 : kernel (RHSA-2022:7337)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208564). 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: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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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Nessus ID: 208564
Nessus Name: CentOS 7 : kernel (RHSA-2022:7337)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2022 🔍
07/15/2022 +174 days 🔍
07/15/2022 +0 days 🔍
10/15/2024 +823 days 🔍

Sourcesinfo

Advisory: FEDORA-2022-3e6ce58029
Status: Confirmed

CVE: CVE-2022-23825 (🔍)
GCVE (CVE): GCVE-0-2022-23825
GCVE (VulDB): GCVE-100-203920

Entryinfo

Created: 07/15/2022 07:25
Updated: 10/15/2024 18:53
Changes: 07/15/2022 07:25 (38), 07/31/2022 13:58 (1), 07/31/2022 14:05 (18), 10/15/2024 18:53 (16)
Complete: 🔍
Cache ID: 216::103

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

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