CVE-2026-43064

dmaengine: idxd: Fix not releasing workqueue on .release()

MEDIUM

5.5

CVSS Score

Published: May 5, 2026 at 03:23 PM UTC

Updated: June 19, 2026 at 01:16 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v ≥ 5.11.22v ≥ 5.12.55.11.22 ≤ v < 5.125.12.5 ≤ v < 5.135.13 ≤ v < 5.15.2105.13 ≤ v < 6.1.1685.13 ≤ v < 6.1.1765.13 ≤ v < 6.12.805.13 ≤ v < 6.18.215.13 ≤ v < 6.19.115.13 ≤ v < 6.6.1315.13 ≤ v < 7.06.13 ≤ v < 6.18.216.19 ≤ v < 6.19.116.2 ≤ v < 6.6.1316.7 ≤ v < 6.12.803f0e87eb9680975184e98aed0e8866b4442a31f647c16ac27d4cb664cee53ee0b9b7e2f907923fb35.11.22 5.12.5 7.0 rc1 7.0 rc2 7.0 rc3 7.0 rc4 7.0 rc5a13e4cf29da68630a116c1309072a265ade9566d

Vendor states this is fixed in 2bb9e9e93adff9cc8a138ae9a3a8d59b3452272e (fixed)

Vendor states this is fixed in 3d33de353b1ff9023d5ec73b9becf80ea87af695 (fixed)

Vendor states this is fixed in 70ae35be58d476e2fd9f7a941a5e03b2f5fadb8d (fixed)

Vendor states this is fixed in 958e96533ddbd1edd127feb7624a7eed0cc379dc (fixed)

Vendor states this is fixed in b22fd53b2ceb35445475f0edab13a908c5fb8433 (fixed)

Vendor states this is fixed in d02c24af126dee45247dc7890409c86d1831859d (fixed)

Vendor states this is fixed in fc34f199eb576b3a73089452fdf0056cc9a9301d (fixed)

Affected range stops below 5.12, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 5.13 (unaffected)

Vendor states this is fixed in 5.15.210 (unaffected)

Affected range stops below 6.1.168, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 6.1.176 (unaffected)