VDB-231813 · CVE-2023-35827 · Nessus 213509

Linux Kernel up to 6.3.8 ravb_main.c ravb_remove use after free

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.3.8. Affected is the function ravb_remove of the file drivers/net/ethernet/renesas/ravb_main.c. Performing a manipulation results in use after free. This vulnerability was named CVE-2023-35827. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 6.3.8 (Operating System). This affects the function ravb_remove of the file drivers/net/ethernet/renesas/ravb_main.c. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Linux kernel through 6.3.8. A use-after-free was found in ravb_remove in drivers/net/ethernet/renesas/ravb_main.c.

The weakness was presented 06/19/2023. The advisory is shared at lore.kernel.org. This vulnerability is uniquely identified as CVE-2023-35827 since 06/18/2023. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 213509 (Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7183-1)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lore.kernel.org.

The vulnerability is also documented in the vulnerability database at Tenable (213509). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 6.2
VulDB Meta Temp Score: 6.1

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

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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

Nessus ID: 213509
Nessus Name: Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-7183-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: lore.kernel.org

Timelineinfo

06/18/2023 🔍
06/19/2023 +1 days 🔍
06/19/2023 +0 days 🔍
01/07/2025 +568 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lore.kernel.org
Status: Confirmed

CVE: CVE-2023-35827 (🔍)
GCVE (CVE): GCVE-0-2023-35827
GCVE (VulDB): GCVE-100-231813

Entryinfo

Created: 06/19/2023 06:45
Updated: 01/07/2025 09:07
Changes: 06/19/2023 06:45 (41), 07/14/2023 19:39 (11), 01/07/2025 09:07 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.