CVE-2025-47712
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
1.21.16 < 1.38.6 | affected | ||
1.40.0 < 1.40.6 | affected | ||
1.42.0 < 1.42.3 | affected |
Weaknesses
- CWE-190: Integer Overflow or Wraparound
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://access.redhat.com/security/cve/CVE-2025-47712
- https://bugzilla.redhat.com/show_bug.cgi?id=2365724
- https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/
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