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CVE-2022-50137 is a use-after-free race in the Linux kernel RDMA irdma driver during completion queue destruction. An interrupt can process a completion queue entry after irdma_cq_free_rsrc() has released the associated completion-queue resources. The corrected implementation performs irdma_sc_cleanup_ceqes() under cq_lock before freeing the completion-queue resources, eliminating the interrupt-driven race window.
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Use-after-free vulnerability in the Linux kernel RDMA/irdma subsystem.
A use-after-free vulnerability window in the Linux kernel RDMA/irdma subsystem.
A use-after-free race-window flaw in the Linux kernel RDMA/irdma component.
A use-after-free race condition in the Linux kernel's RDMA iRDMA driver. While destroying a completion queue (CQ), an interrupt could process a completion queue entry after CQ resources had been freed. The fix defers freeing resources until completion-event-queue cleanup occurs under the CQ lock.
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