CVE-2026-74389

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the RDMA/hns component where the hns roce cmd mbox() function, which serves as the command interface between the driver and hardware, can trigger unlimited error printings when the hardware is abnormal. This behavior leads to a log flood that may result in a system crash. The problem occurs within the error handling paths of hns roce cmd mbox() and its wrapper functions, hns roce create hw ctx() and hns roce destroy hw ctx(), specifically when using ibdev err() and ibdev warn() functions.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.