CVE-2026-23251
Received
Received - Intake
Use-After-Free in Linux Kernel XFS Due to Improper Pointer Handling
Publication date: 2026-03-18
Last updated on: 2026-03-18
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
xfs: only call xf{array,blob}_destroy if we have a valid pointer
Only call the xfarray and xfblob destructor if we have a valid pointer,
and be sure to null out that pointer afterwards. Note that this patch
fixes a large number of commits, most of which were merged between 6.9
and 6.10.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | kernel | From 6.9 (inc) to 6.10 (inc) |
| linux | linux_kernel | From 6.9 (inc) to 6.10 (inc) |
| linux_kernel | xfs | From 6.9 (inc) to 6.10 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel relates to the xfs filesystem code where destructor functions xfarray_destroy and xfblob_destroy were being called without verifying if the pointer was valid.
The fix ensures that these destructors are only called if the pointer is valid and that the pointer is nullified afterwards to prevent potential misuse.
This patch addresses multiple commits merged between kernel versions 6.9 and 6.10.
How can this vulnerability impact me? :
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How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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