CVE-2026-46005
Analyzed Analyzed - Analysis Complete
Resource Leak in Linux Kernel XFS

Publication date: 2026-05-27

Last updated on: 2026-06-16

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: xfs: fix a resource leak in xfs_alloc_buftarg() In the error path, call fs_put_dax() to drop the DAX device reference.
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Meta Information
Published
2026-05-27
Last Modified
2026-06-16
Generated
2026-06-16
AI Q&A
2026-05-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-46005
EUVD
EUVD-2026-32302
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.7 (inc) to 6.12.86 (exc)
linux linux_kernel From 6.0 (inc) to 6.6.140 (exc)
linux linux_kernel From 6.13 (inc) to 6.18.27 (exc)
linux linux_kernel From 6.19 (inc) to 7.0.4 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
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Executive Summary

This vulnerability is a resource leak in the Linux kernel's XFS filesystem, specifically in the function xfs_alloc_buftarg().

The issue occurs in the error handling path where the function fs_put_dax() is not called to properly release the DAX device reference, leading to a resource leak.

Impact Analysis

A resource leak in the kernel can lead to increased memory or resource consumption over time, potentially causing system instability or degraded performance.

If the leaked resources accumulate, it might eventually lead to system crashes or denial of service conditions.

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