CVE-2023-5871

Libnbd: malicious nbd server may crash libnbd

Published Nov 27, 2023 CVSS 3.1 · 5.3 Medium EPSS 1.1% KEV · Not listed
Description
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.

Remediation

Vendor Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-58145 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.
History
Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:8
cpe:/o:redhat:rhel_els:6
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 5, 2026, 11:36 AM
Reserved
Oct 31, 2023, 5:04 AM
Status
Modified
Published
Nov 27, 2023, 12:15 PM
Modified
Nov 5, 2026, 12:17 PM
Severity
Moderate
Public date
Oct 31, 2023, 7:11 PM