CVE-2025-71204
Reference Count Leak in Linux Kernel SMB Server Component
Publication date: 2026-02-14
Last updated on: 2026-03-18
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | 6.19 |
| linux | linux_kernel | From 6.13 (inc) to 6.18.10 (exc) |
| linux | linux_kernel | From 6.6.32 (inc) to 6.6.124 (exc) |
| linux | linux_kernel | From 6.9 (inc) to 6.12.70 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
I don't know
Can you explain this vulnerability to me?
This vulnerability is a refcount leak in the Linux kernel's SMB server component, specifically in the function parse_durable_handle_context().
When a replay operation command returns an error code -ENOEXEC, the reference count of the ksmbd_file object is not properly released, causing a resource leak.
How can this vulnerability impact me? :
The impact of this vulnerability is a resource leak in the Linux kernel SMB server.
If the reference count is not released properly, it could lead to increased memory usage or resource exhaustion over time, potentially degrading system performance or stability.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know