Medium 5.5Published May 5, 2026

CVE-2026-43064dmaengine: idxd: Fix not releasing workqueue on .release()

Updated under an hour ago (Oct 26, 2026, 11:30 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Jun 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 before 70ae35be58d476e2fd9f7a941a5e03b2f5fadb8d; from 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 before b22fd53b2ceb35445475f0edab13a908c5fb8433; 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 builds before 2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e; from 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 before d02c24af126dee45247dc7890409c86d1831859d; from 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 before 958e96533ddbd1edd127feb7624a7eed0cc379dc; from 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 before fc34f199eb576b3a73089452fdf0056cc9a9301d; 47c16ac27d4cb664cee53ee0b9b7e2f907923fb3 builds before 3d33de353b1ff9023d5ec73b9becf80ea87af695; 3f0e87eb9680975184e98aed0e8866b4442a31f6; and 3 more ranges	CNA record
linux linux_kernel linux:linux_kernel	from 5.11.22 before 5.12; from 5.12.5 before 5.13; from 5.13 before 6.1.168; from 6.2 before 6.6.131; from 6.7 before 6.12.80; from 6.13 before 6.18.21; from 6.19 before 6.19.11; 7.0; and 4 more ranges	NVD

References

References

https://git.kernel.org/stable/c/70ae35be58d476e2fd9f7a941a5e03b2f5fadb8d
https://git.kernel.org/stable/c/b22fd53b2ceb35445475f0edab13a908c5fb8433
https://git.kernel.org/stable/c/2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e	patch
https://git.kernel.org/stable/c/d02c24af126dee45247dc7890409c86d1831859d	patch
https://git.kernel.org/stable/c/958e96533ddbd1edd127feb7624a7eed0cc379dc	patch
https://git.kernel.org/stable/c/fc34f199eb576b3a73089452fdf0056cc9a9301d	patch
https://git.kernel.org/stable/c/3d33de353b1ff9023d5ec73b9becf80ea87af695	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.