CVE-2023-6915 MEDIUM

CVE-2023-6915: Kernel: null pointer dereference vulnerability in ida_free in lib/idr.c

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-476
Published January 15, 2024
Last update November 6, 2025

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.

Key dates

02Disclosure timeline

January 15, 2024 CVE published
November 6, 2025 Record updated