Bug 2365724 (CVE-2025-47712) - CVE-2025-47712 nbd: nbdkit: Integer overflow triggers an assertion resulting in Denial of Service
Summary: CVE-2025-47712 nbd: nbdkit: Integer overflow triggers an assertion resulting ...
Keywords:
Status: NEW
Alias: CVE-2025-47712
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2365725 2365726 2365727
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-05-12 21:12 UTC by OSIDB Bzimport
Modified: 2025-05-12 21:49 UTC (History)
1 user (show)

Fixed In Version:
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Description OSIDB Bzimport 2025-05-12 21:12:07 UTC 
The nbdkit blocksize filter had a bug where any client block status request larger than (2**32 - the minimum blocksize) would round up to 4G using a 32-bit variable. This wrapped around to zero, triggering an assertion failure.
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