CVE-2023-32248 HIGH

CVE-2023-32248: Tree connection null pointer dereference denial-of-service vulnerability

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-476
Published July 24, 2023
Last update August 2, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Key dates

02Disclosure timeline

July 24, 2023 CVE published
August 2, 2024 Record updated