Bug 2383497 (CVE-2025-38452)

Summary: CVE-2025-38452 kernel: net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-07-25 16:02:37 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net: ethernet: rtsn: Fix a null pointer dereference in rtsn_probe()

Add check for the return value of rcar_gen4_ptp_alloc()
to prevent potential null pointer dereference.
Comment 1 Jon Moroney 2025-07-25 17:12:21 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025072505-CVE-2025-38452-d9d1@gregkh/T