CVE-2026-43064
Analyzed Analyzed - Analysis Complete
IDXD Workqueue Leak in Linux Kernel

Publication date: 2026-05-05

Last updated on: 2026-06-01

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix not releasing workqueue on .release() The workqueue associated with an DSA/IAA device is not released when the object is freed.
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Meta Information
Published
2026-05-05
Last Modified
2026-06-01
Generated
2026-06-16
AI Q&A
2026-05-05
EPSS Evaluated
2026-06-15
NVD
CVE-2026-43064
EUVD
EUVD-2026-27362
Affected Vendors & Products
Showing 12 associated CPEs
Vendor Product Version / Range
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel From 6.13 (inc) to 6.18.21 (exc)
linux linux_kernel From 6.19 (inc) to 6.19.11 (exc)
linux linux_kernel From 6.2 (inc) to 6.6.131 (exc)
linux linux_kernel From 6.7 (inc) to 6.12.80 (exc)
linux linux_kernel From 5.11.22 (inc) to 5.12 (exc)
linux linux_kernel From 5.12.5 (inc) to 5.13 (exc)
linux linux_kernel From 5.13 (inc) to 6.1.168 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in the Linux kernel's dmaengine component, specifically related to the idxd driver. The issue is that the workqueue associated with a DSA/IAA device is not properly released when the object is freed. This means that resources allocated for the workqueue remain allocated even after they should have been cleaned up.

Impact Analysis

Because the workqueue is not released when the object is freed, this can lead to resource leaks in the system. Over time, such leaks may cause increased memory usage or other resource exhaustion issues, potentially degrading system performance or stability.

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