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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3841-1 linux-5.10 security update
EUVD EUVD EUVD-2023-58766 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.
Ubuntu USN Ubuntu USN USN-6818-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6818-2 Linux kernel (ARM laptop) vulnerabilities
Ubuntu USN Ubuntu USN USN-6818-3 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6818-4 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-6819-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6819-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6819-3 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6819-4 Linux kernel (Oracle) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

To mitigate this issue, prevent module nvmet-tcp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

History

Tue, 04 Nov 2025 19:30:00 +0000


Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00034}

epss

{'score': 0.00026}


Fri, 22 Nov 2024 12:00:00 +0000


Fri, 15 Nov 2024 16:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-11-06T21:45:16.229Z

Reserved: 2023-12-05T20:50:27.727Z

Link: CVE-2023-6535

cve-icon Vulnrichment

Updated: 2025-11-04T18:22:00.240Z

cve-icon NVD

Status : Modified

Published: 2024-02-07T21:15:08.530

Modified: 2025-11-04T19:16:24.490

Link: CVE-2023-6535

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-12-11T00:00:00Z

Links: CVE-2023-6535 - Bugzilla

cve-icon OpenCVE Enrichment

No data.