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.
CVE-2023-5871
CVSS base score
5.3 (v3.1)
Severity
MEDIUM
Attack vector
Network
Weakness
CWE-617
Last modified
November 5, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
redhat libnbd
redhat enterprise linux
References
- access.redhat.com
- access.redhat.com Vendor Advisory
- bugzilla.redhat.com Issue Tracking, Vendor Advisory
- lists.libguestfs.org Mailing List, Patch
- access.redhat.com
- access.redhat.com Vendor Advisory
- bugzilla.redhat.com Issue Tracking, Vendor Advisory
- lists.libguestfs.org Mailing List, Patch