CVE-2026-31565: RDMA/irdma: Fix deadlock during netdev reset with active connections

Published Apr 24, 2026
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

RDMA/irdma: Fix deadlock during netdev reset with active connections

Resolve deadlock that occurs when user executes netdev reset while RDMA applications (e.g., rping) are active. The netdev reset causes ice driver to remove irdma auxiliary driver, triggering devicedelete and subsequent client removal. During client removal, uverbsclient waits for QP reference count to reach zero while cmaclient holds the final reference, creating circular dependency and indefinite wait in iWARP mode. Skip QP reference count wait during device reset to prevent deadlock.

Affected Software

17 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=5.15.116<5.15.203
Linux Linux kernel>=6.1.33<6.1.168
Linux Linux kernel>=6.3.7<6.4
Linux Linux kernel>=6.4.1<6.6.131
Linux Linux kernel>=6.7<6.12.80
Linux Linux kernel>=6.13<6.18.21
Linux Linux kernel>=6.19<6.19.11
Linux Linux kernel=6.4
Linux Linux kernel=7.0-rc1
Linux Linux kernel=7.0-rc2
Linux Linux kernel=7.0-rc3
Linux Linux kernel=7.0-rc4
Linux Linux kernel=7.0-rc5
Linux Linux kernel=7.0-rc6
Linux Linux kernel=7.0-rc7
Microsoft azl3 kernel 6.6.130.1-3

Event History

Apr 24, 2026
CVE Published
via MITRE·02:35 PM
Data Sourced
via MITRE·02:35 PM
Description
Data Sourced
via NVD·03:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 26, 2026
Data Sourced
via Microsoft·08:04 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:04 AM
Affected Software
Updated
via Microsoft·08:04 AM
DescriptionSeverity

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