CVE-2023-6679 MEDIUM

CVE-2023-6679: Kernel: null pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-476
Published December 11, 2023
Last update November 21, 2025

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A null pointer dereference vulnerability was found in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c in the Digital Phase Locked Loop (DPLL) subsystem in the Linux kernel. This issue could be exploited to trigger a denial of service.

Key dates

02Disclosure timeline

December 11, 2023 CVE published
November 21, 2025 Record updated