Bug 2367582 (CVE-2025-37956)

Summary: CVE-2025-37956 kernel: ksmbd: prevent rename with empty string
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-05-20 17:01:56 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: prevent rename with empty string

Client can send empty newname string to ksmbd server.
It will cause a kernel oops from d_alloc.
This patch return the error when attempting to rename
a file or directory with an empty new name string.
Comment 1 Jon Moroney 2025-05-21 02:25:43 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025052002-CVE-2025-37956-a6aa@gregkh/T