CVE-2025-71163: dmaengine: idxd: fix device leaks on compat bind and unbind

Published Jan 25, 2026
·
Updated

dmaengine: idxd: fix device leaks on compat bind and unbind

Affected Software

12 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=5.15<5.15.199
Linux Linux kernel>=5.16<6.1.162
Linux Linux kernel>=6.2<6.6.122
Linux Linux kernel>=6.7<6.12.67
Linux Linux kernel>=6.13<6.18.7
Linux Linux kernel=6.19-rc1
Linux Linux kernel=6.19-rc2
Linux Linux kernel=6.19-rc3
Linux Linux kernel=6.19-rc4
Linux Linux kernel=6.19-rc5
Microsoft cbl2 kernel 5.15.186.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    For the Linux kernel dmaengine idxd compat bind/unbind sysfs interface, ensure the device reference taken during idxd device lookup is dropped (dmaengine: idxd: fix device leaks on compat bind and unbind).

Event History

Jan 25, 2026
CVE Published
via MITRE·02:36 PM
Data Sourced
via MITRE·02:36 PM
Description
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Feb 28, 2026
Data Sourced
via Microsoft·09:03 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·09:03 AM
Affected Software
Updated
via Microsoft·09:03 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-71163?

CVE-2025-71163 has a medium severity rating due to potential device leaks affecting the Linux kernel.

2

How do I fix CVE-2025-71163?

To fix CVE-2025-71163, ensure that you update to the latest version of the Linux kernel where the vulnerability has been resolved.

3

Which versions of the Linux kernel are affected by CVE-2025-71163?

CVE-2025-71163 affects specific versions of the Linux kernel that employ the dmaengine and idxd interfaces.

4

What type of vulnerability is CVE-2025-71163?

CVE-2025-71163 is a resource leak vulnerability that occurs during the compat binding and unbinding process in the Linux kernel.

5

What are the potential impacts of CVE-2025-71163?

The potential impacts of CVE-2025-71163 include memory leaks and resource exhaustion, which could lead to system instability.

Contact

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