{"id":"CVE-2022-48694","summary":"RDMA/irdma: Fix drain SQ hang with no completion","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix drain SQ hang with no completion\n\nSW generated completions for outstanding WRs posted on SQ\nafter QP is in error target the wrong CQ. This causes the\nib_drain_sq to hang with no completion.\n\nFix this to generate completions on the right CQ.\n\n[  863.969340] INFO: task kworker/u52:2:671 blocked for more than 122 seconds.\n[  863.979224]       Not tainted 5.14.0-130.el9.x86_64 #1\n[  863.986588] \"echo 0 \u003e /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n[  863.996997] task:kworker/u52:2   state:D stack:    0 pid:  671 ppid:     2 flags:0x00004000\n[  864.007272] Workqueue: xprtiod xprt_autoclose [sunrpc]\n[  864.014056] Call Trace:\n[  864.017575]  __schedule+0x206/0x580\n[  864.022296]  schedule+0x43/0xa0\n[  864.026736]  schedule_timeout+0x115/0x150\n[  864.032185]  __wait_for_common+0x93/0x1d0\n[  864.037717]  ? usleep_range_state+0x90/0x90\n[  864.043368]  __ib_drain_sq+0xf6/0x170 [ib_core]\n[  864.049371]  ? __rdma_block_iter_next+0x80/0x80 [ib_core]\n[  864.056240]  ib_drain_sq+0x66/0x70 [ib_core]\n[  864.062003]  rpcrdma_xprt_disconnect+0x82/0x3b0 [rpcrdma]\n[  864.069365]  ? xprt_prepare_transmit+0x5d/0xc0 [sunrpc]\n[  864.076386]  xprt_rdma_close+0xe/0x30 [rpcrdma]\n[  864.082593]  xprt_autoclose+0x52/0x100 [sunrpc]\n[  864.088718]  process_one_work+0x1e8/0x3c0\n[  864.094170]  worker_thread+0x50/0x3b0\n[  864.099109]  ? rescuer_thread+0x370/0x370\n[  864.104473]  kthread+0x149/0x170\n[  864.109022]  ? set_kthread_struct+0x40/0x40\n[  864.114713]  ret_from_fork+0x22/0x30","modified":"2026-04-02T08:26:52.134222Z","published":"2024-05-03T15:06:57.588Z","related":["SUSE-SU-2024:1644-1","SUSE-SU-2024:1659-1","SUSE-SU-2024:1663-1","SUSE-SU-2024:2011-1","SUSE-SU-2024:2189-1","SUSE-SU-2025:0231-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48694.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/14d148401c5202fec3a071e24785481d540b22c3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5becc531a3fa8da75158a8993f56cc3e0717716e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ead54ced6321099978d30d62dc49c282a6e70574"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48694.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48694"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bd2af69575f518a34a941b6b46882c7e2f43e8a2"},{"fixed":"14d148401c5202fec3a071e24785481d540b22c3"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"81091d7696ae71627ff80bbf2c6b0986d2c1cce3"},{"fixed":"5becc531a3fa8da75158a8993f56cc3e0717716e"},{"fixed":"ead54ced6321099978d30d62dc49c282a6e70574"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48694.json"}}],"schema_version":"1.7.5"}