Bug 2439916 (CVE-2025-71223)

Summary: CVE-2025-71223 kernel: smb/server: fix refcount leak in smb2_open()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2026-02-14 17:02:56 UTC 
In the Linux kernel, the following vulnerability has been resolved:

smb/server: fix refcount leak in smb2_open()

When ksmbd_vfs_getattr() fails, the reference count of ksmbd_file
must be released.
Comment 1 Jon Moroney 2026-02-16 19:51:30 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026021426-CVE-2025-71223-65b9@gregkh/T