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In the Linux kernel, the following vulnerability has been resolved:
xprtrdma: Initialize re_id before removal registration
rpcrdma_create_id() registers ep->re_rn with the rpcrdma ib_client before returning the new rdma_cm_id to rpcrdma_ep_create(). However rpcrdma_ep_create() currently stores that pointer in ep->re_id only after rpcrdma_create_id() returns.
A local administrator can race an NFS/RDMA mount against RDMA device removal. If rpcrdma_remove_one() observes the just-registered notification before rpcrdma_ep_create() assigns ep->re_id, rpcrdma_ep_removal_done() calls trace_xprtrdma_device_removal(NULL). The tracepoint dereferences id->device->name and copies id->route.addr.dst_addr, so the callback can crash the kernel with a NULL pointer dereference.
Store the rdma_cm_id in ep->re_id immediately before publishing ep->re_rn. The existing error path still destroys the id directly if registration fails; ep is then freed by the caller without using ep->re_id. Remove the later duplicate assignment in rpcrdma_ep_create().
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Aug 16, 2026 | Aug 16, 2026 |
| Redhat_linux | — | No solution exists | Aug 21, 2026 | Aug 15, 2026 |
| Ubuntu | — | Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1008-gkeUpgrade linux-image-7.0.0-1015-ibmUpgrade linux-image-realtime-7.0Upgrade linux-image-7.0.0-38-realtime-64kUpgrade linux-image-gcp-7.0Upgrade linux-image-awsUpgrade linux-image-oracle-7.0Upgrade linux-image-virtual-7.0Upgrade linux-image-gke-7.0Upgrade linux-image-ibmUpgrade linux-image-realtimeUpgrade linux-image-7.0.0-38-realtimeUpgrade linux-image-azure-fdeUpgrade linux-image-7.0.0-1013-oracleUpgrade linux-image-7.0.0-1013-oracle-64kUpgrade linux-image-azure-fde-7.0Upgrade linux-image-azure-lts-26.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-7.0.0-1016-azure-fdeUpgrade linux-image-oracleUpgrade linux-image-7.0.0-1014-awsUpgrade linux-image-aws-64k-7.0Upgrade linux-image-gke-64kUpgrade linux-image-oem-26.04aUpgrade linux-image-virtualUpgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-1017-azureUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-azure-fde-lts-26.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-26.04Upgrade linux-image-7.0.0-1014-gcp-64kUpgrade linux-image-gcpUpgrade linux-image-7.0.0-38-genericUpgrade linux-image-7.0.0-1015-oemUpgrade linux-image-7.0.0-1014-gcpUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-realtime-64kUpgrade linux-image-generic-64k-7.0Upgrade linux-image-gcp-64k-7.0Upgrade linux-image-7.0.0-38-generic-64kUpgrade linux-image-oem-7.0Upgrade linux-image-genericUpgrade linux-image-gke-64k-7.0Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-ibm-7.0Upgrade linux-image-7.0.0-1008-gke-64kUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-oracle-64kUpgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-1014-aws-64kUpgrade linux-image-aws-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-7.0Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-azureUpgrade linux-image-generic-64kUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-gke | Oct 7, 2026 | Oct 6, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 21, 2026 | Aug 15, 2026 |
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