https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 01:59:22 +0000 https://vulnerability.circl.lu/vuln/cve-2026-89535 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>svcrdma: Reorder rpcrdma_rn_unregister before rdma_destroy_id</p> <p>svc_rdma_free() caches rdma-&gt;sc_cm_id-&gt;device before teardown, then calls rdma_destroy_id(sc_cm_id) which frees the cm_id. rpcrdma_rn_unregister() follows, but between those two calls the transport&#39;s sc_rn entry is still installed in the device&#39;s rd_xa. A concurrent ib_unregister_device walk can dispatch svc_rdma_xprt_done() against the now-freed sc_cm_id.</p> <p>Move rpcrdma_rn_unregister() before rdma_destroy_id() so the transport&#39;s notification entry is removed from the xarray before the cm_id it references is destroyed.</p> <p>Also guard the sc_cm_id dereference with a NULL check: the following patches introduce paths that reach svc_rdma_free() with sc_cm_id == NULL (listener create failure, ADDR_CHANGE replacement failure).</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>svcrdma: Reorder rpcrdma_rn_unregister before rdma_destroy_id</p> <p>svc_rdma_free() caches rdma-&gt;sc_cm_id-&gt;device before teardown, then calls rdma_destroy_id(sc_cm_id) which frees the cm_id. rpcrdma_rn_unregister() follows, but between those two calls the transport&#39;s sc_rn entry is still installed in the device&#39;s rd_xa. A concurrent ib_unregister_device walk can dispatch svc_rdma_xprt_done() against the now-freed sc_cm_id.</p> <p>Move rpcrdma_rn_unregister() before rdma_destroy_id() so the transport&#39;s notification entry is removed from the xarray before the cm_id it references is destroyed.</p> <p>Also guard the sc_cm_id dereference with a NULL check: the following patches introduce paths that reach svc_rdma_free() with sc_cm_id == NULL (listener create failure, ADDR_CHANGE replacement failure).</p> https://vulnerability.circl.lu/vuln/cve-2026-89535