Bug 2375420 (CVE-2025-6858)

Summary: CVE-2025-6858 hdf5: HDF5 Null Pointer Dereference
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: bbrownin
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in hdf5. The H5C__flush_single_entry function contains a NULL pointer dereference triggered by the manipulation of data within a file. A local attacker can induce this condition. This issue can lead to a potential denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2375487, 2375488, 2375489, 2375492, 2375490    
Bug Blocks:    

Description OSIDB Bzimport 2025-06-29 12:01:12 UTC
A vulnerability was found in HDF5 1.14.6 and classified as problematic. Affected by this issue is the function H5C__flush_single_entry of the file src/H5Centry.c. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.