CVE-2023-6536 MEDIUM

CVE-2023-6536: Kernel: null pointer dereference in __nvmet_req_complete

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-476
Published February 7, 2024
Last update November 6, 2025
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver, causing kernel panic and a denial of service.

Key dates

02Disclosure timeline

February 7, 2024 CVE published
November 6, 2025 Record updated