Kernel crash via out-of-bounds table deletion read
Published Apr 16, 2025 · Updated Sep 8, 2026
Out-of-bounds read in Linux's SJA1105 DSA driver allows local users to crash the kernel when a table deletion reaches unmapped memory. The deletion function invokes memmove for the final element and copies the original count rather than one fewer element, reading beyond the table. Reachability requires local low-privileged access and the SJA1105 DSA driver; the bounded reported consequence is a kernel crash.
Summary
What happened
Out-of-bounds read in Linux's SJA1105 DSA driver allows local users to crash the kernel when a table deletion reaches unmapped memory. The deletion function invokes memmove for the final element and copies the original count rather than one fewer element, reading beyond the table. Reachability requires local low-privileged access and the SJA1105 DSA driver; the bounded reported consequence is a kernel crash.
The record
- CVE
- CVE-2025-22107
- Published
- Apr 16, 2025
- Updated
- Sep 8, 2026
- Vendor
- Siemens
- Product
- SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
- Classifications
- CWE-20, CWE-125, T1499
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 16, 2025CVE publishedPublication date reported by the CVE source.
- Sep 8, 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=V3.1.6 <*
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What is affected?
Published CVSS scores
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Attacks
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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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