VYPR
Unrated severityNVD Advisory· Published Jun 19, 2024· Updated May 4, 2025

RDMA/hns: Fix UAF for cq async event

CVE-2024-38545

Description

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

RDMA/hns: Fix UAF for cq async event

The refcount of CQ is not protected by locks. When CQ asynchronous events and CQ destruction are concurrent, CQ may have been released, which will cause UAF.

Use the xa_lock() to protect the CQ refcount.

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Affected products

224

Patches

Vulnerability mechanics

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