CVE-2026-43064
IDXD Workqueue Leak in Linux Kernel
Publication date: 2026-05-05
Last updated on: 2026-05-05
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux_kernel | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.