CVE-2023-5871 MEDIUM

CVE-2023-5871: Libnbd: malicious nbd server may crash libnbd

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-617
Published November 27, 2023
Last update November 20, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in libnbd, due to a malicious Network Block Device (NBD), a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service.

Key dates

02Disclosure timeline

November 27, 2023 CVE published
November 20, 2025 Record updated