CVE-2026-46005
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.
Affected versions
Linux kernel versions
6.0
and later are affected. Fixed in
6.6.140,
6.12.86,
6.18.27,
7.0.4,
7.1-rc1
and their respective stable series.
References
The following references provide additional information about CVE-2026-46005 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/28a6c132b8c6e5eeefa889c4fb43d65b12989d48
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PatchKernel patch commithttps://git.kernel.org/stable/c/29a7b2614357393b176ef06ba5bc3ff5afc8df69
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PatchKernel patch commithttps://git.kernel.org/stable/c/5804cb507233ed767a83ac70527b2f6c4566ec75
Frequently asked questions
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What is CVE-2026-46005?
CVE-2026-46005 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.0 onward and has been patched in 6.6.140, 6.12.86, 6.18.27 and others. CVE-2026-46005 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-46005?
Yes — CVE-2026-46005 has been patched. Fixed versions include 6.6.140, 6.12.86, 6.18.27 and others. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46005 actively exploited?
No — CVE-2026-46005 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.