CVE-2023-39180 MEDIUM

CVE-2023-39180: Kernel: ksmbd: read request memory leak denial-of-service vulnerability

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-400
Published November 18, 2024
Last update November 18, 2024

CVSS base score

4.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.

Key dates

02Disclosure timeline

November 18, 2024 CVE published
November 18, 2024 Record updated