Bug 2367582 (CVE-2025-37956) - CVE-2025-37956 kernel: ksmbd: prevent rename with empty string
Summary: CVE-2025-37956 kernel: ksmbd: prevent rename with empty string
Keywords:
Status: NEW
Alias: CVE-2025-37956
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-05-20 17:01 UTC by OSIDB Bzimport
Modified: 2025-05-21 02:33 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
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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
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