Intel Processor Stream Cache improper isolation of shared resources on system-on-a-chip (soc)

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Intel Processor and classified as critical. Affected by this issue is some unknown functionality of the component Stream Cache. The manipulation results in improper isolation of shared resources on system-on-a-chip (soc). This vulnerability is reported as CVE-2023-49141. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Intel Processor (the affected version is unknown). Affected is an unknown code of the component Stream Cache. The manipulation with an unknown input leads to a improper isolation of shared resources on system-on-a-chip (soc) vulnerability. CWE is classifying the issue as CWE-1189. The System-On-a-Chip (SoC) does not properly isolate shared resources between trusted and untrusted agents. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper isolation in some Intel(R) Processors stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.

The advisory is shared for download at intel.com. This vulnerability is traded as CVE-2023-49141 since 11/28/2023. The exploitability is told to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 03/14/2025).

The vulnerability scanner Nessus provides a plugin with the ID 211574 (Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (211574). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.0
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (intel): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper isolation of shared resources on system-on-a-chip (soc)
CWE: CWE-1189
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: 211574
Nessus Name: Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/28/2023 🔍
08/14/2024 +259 days 🔍
08/14/2024 +0 days 🔍
03/14/2025 +212 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01046
Status: Confirmed

CVE: CVE-2023-49141 (🔍)
GCVE (CVE): GCVE-0-2023-49141
GCVE (VulDB): GCVE-100-274572

Entryinfo

Created: 08/14/2024 16:21
Updated: 03/14/2025 11:38
Changes: 08/14/2024 16:21 (73), 11/19/2024 12:27 (2), 03/14/2025 11:38 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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