CVE-2023-6176 MEDIUM

CVE-2023-6176: Kernel: local dos vulnerability in scatterwalk_copychunks

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Published November 16, 2023
Last update November 6, 2025

CVSS base score

4.7/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A null pointer dereference flaw was found in the Linux kernel API for the cryptographic algorithm scatterwalk functionality. This issue occurs when a user constructs a malicious packet with specific socket configuration, which could allow a local user to crash the system or escalate their privileges on the system.

Key dates

02Disclosure timeline

November 16, 2023 CVE published
November 6, 2025 Record updated