Kernel memory disclosure via incorrect property bounds check
Published Jul 10, 2025 · Updated Aug 5, 2026
Out-of-bounds read in the Linux kernel software-node subsystem allows local users to read kernel memory through malformed properties. software_node_get_reference_args() checks only index-sized data before reading the indexed reference, rather than requiring space for index plus one entries. Exploitation requires local low-privileged access and a malformed software-node property; the over-read can expose kernel memory and destabilize the system.
Summary
What happened
Out-of-bounds read in the Linux kernel software-node subsystem allows local users to read kernel memory through malformed properties. software_node_get_reference_args() checks only index-sized data before reading the indexed reference, rather than requiring space for index plus one entries. Exploitation requires local low-privileged access and a malformed software-node property; the over-read can expose kernel memory and destabilize the system.
The record
- CVE
- CVE-2025-38342
- Published
- Jul 10, 2025
- Updated
- Aug 5, 2026
- Vendor
- Siemens
- Product
- SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
- Classifications
- CWE-125
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 10, 2025CVE publishedPublication date reported by the CVE source.
- Aug 5, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=V3.1.5 <*
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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