CVE-2023-5871
Libnbd: malicious nbd server may crash libnbd
MEDIUM
5.3
CVSS Score
Published: November 27, 2023 at 11:58 AM UTC
Updated: June 17, 2026 at 06:49 AM UTC
2 products affected across 1 vendorEnterprise LinuxLibnbd
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.9%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Vendor states this is fixed in 0:1.18.1-3.el9 (unaffected)
Vendor states this is fixed in 6 (unaffected)
Vendor states this is fixed in 7 (unaffected)
Vendor states this is fixed in 8 (unaffected)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2024:2204VDB Entryx_refsource_REDHATVendor Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2023-5871Issue Trackingx_refsource_REDHATVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2247308CVSS
5.3MEDIUMredhat
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-617
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