RDMA/hns: Fix UAF for cq async event
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/330c825e66ef65278e4ebe57fd49c1d6f3f4e34e
- https://git.kernel.org/stable/c/763780ef0336a973e933e40e919339381732dcaf
- https://git.kernel.org/stable/c/63da190eeb5c9d849b71f457b15b308c94cbaf08
- https://git.kernel.org/stable/c/39d26cf46306bdc7ae809ecfdbfeff5aa1098911
- https://git.kernel.org/stable/c/37a7559dc1358a8d300437e99ed8ecdab0671507
- https://git.kernel.org/stable/c/a942ec2745ca864cd8512142100e4027dc306a42
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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