VDB-222119 · CVE-2023-23006 · GCVE-0-2023-23006

Linux Kernel up to 5.15.12 dr_domain.c dr_domain_init_resources mlx5_get_uars_page return value

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 5.15.12. The impacted element is the function dr_domain_init_resources of the file drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c. The manipulation of the argument mlx5_get_uars_page leads to return value. This vulnerability is traded as CVE-2023-23006. Access to the local network is required for this attack to succeed. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.12 (Operating System). It has been rated as problematic. This issue affects the function dr_domain_init_resources of the file drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c. The manipulation of the argument mlx5_get_uars_page with an unknown input leads to a return value vulnerability. Using CWE to declare the problem leads to CWE-252. The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. The impact remains unknown. The summary by CVE is:

In the Linux kernel before 5.15.13, drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c misinterprets the mlx5_get_uars_page return value (expects it to be NULL in the error case, whereas it is actually an error pointer).

The weakness was shared 03/01/2023 as 6b8b42585886c59a008015083282aae434349094. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-23006 since 01/11/2023. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.15.13 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying the patch 6b8b42585886c59a008015083282aae434349094 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Return value
CWE: CWE-252 / CWE-253
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.15.13
Patch: 6b8b42585886c59a008015083282aae434349094

Timelineinfo

01/11/2023 🔍
03/01/2023 +49 days 🔍
03/01/2023 +0 days 🔍
03/30/2023 +29 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 6b8b42585886c59a008015083282aae434349094
Status: Confirmed

CVE: CVE-2023-23006 (🔍)
GCVE (CVE): GCVE-0-2023-23006
GCVE (VulDB): GCVE-100-222119

Entryinfo

Created: 03/01/2023 21:54
Updated: 03/30/2023 08:51
Changes: 03/01/2023 21:54 (46), 03/30/2023 08:51 (10)
Complete: 🔍
Cache ID: 216::103