CVE-2026-31441
kernel: dmaengine: idxd: Fix memory leak when a wq is reset
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 22, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's dmaengine: idxd module. This vulnerability occurs when a workqueue is reset, specifically within the idxd_wq_disable_cleanup() function. The function prematurely sets the workqueue type to NONE before all associated resources are released, leading to a memory leak. This can potentially impact system stability and resource availability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime