Bug 2460709 (CVE-2026-31441) - CVE-2026-31441 kernel: dmaengine: idxd: Fix memory leak when a wq is reset
Summary: CVE-2026-31441 kernel: dmaengine: idxd: Fix memory leak when a wq is reset
Keywords:
Status: NEW
Alias: CVE-2026-31441
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-22 15:06 UTC by OSIDB Bzimport
Modified: 2026-04-22 17:09 UTC (History)
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Description OSIDB Bzimport 2026-04-22 15:06:46 UTC 
In the Linux kernel, the following vulnerability has been resolved:

dmaengine: idxd: Fix memory leak when a wq is reset

idxd_wq_disable_cleanup() which is called from the reset path for a
workqueue, sets the wq type to NONE, which for other parts of the
driver mean that the wq is empty (all its resources were released).

Only set the wq type to NONE after its resources are released.
Comment 1 Keith Grant 2026-04-22 17:07:22 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026042244-CVE-2026-31441-eb92@gregkh/T
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