// For flags

CVE-2025-47712

Nbd: nbdkit: integer overflow triggers an assertion resulting in denial of service

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.

Existe una falla en el filtro "blocksize" de nbdkit que puede activarse con un tipo específico de solicitud de cliente. Cuando un cliente solicita información sobre el estado del bloque para un rango de datos muy grande, superando cierto límite, se produce un error interno en nbdkit, lo que provoca una denegación de servicio.

These are all security issues fixed in the nbdkit-1.42.3-1.1 package on the GA media of openSUSE Tumbleweed.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-07 CVE Reserved
  • 2025-05-20 CVE Published
  • 2025-06-09 CVE Updated
  • 2025-06-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Red Hat
Search vendor "Red Hat"
 Enterprise Linux
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*-
Affected
Redhat
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 Advanced Virtualization
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*-
Affected
Fedoraproject
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 Fedora
Search vendor "Fedoraproject" for product "Fedora"
*-
Affected
Redhat
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 Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
*-
Affected