CVE-2022-48694 (GCVE-0-2022-48694)
Vulnerability from cvelistv5
Published
2024-05-03 15:06
Modified
2026-05-11 18:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix drain SQ hang with no completion SW generated completions for outstanding WRs posted on SQ after QP is in error target the wrong CQ. This causes the ib_drain_sq to hang with no completion. Fix this to generate completions on the right CQ. [ 863.969340] INFO: task kworker/u52:2:671 blocked for more than 122 seconds. [ 863.979224] Not tainted 5.14.0-130.el9.x86_64 #1 [ 863.986588] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 863.996997] task:kworker/u52:2 state:D stack: 0 pid: 671 ppid: 2 flags:0x00004000 [ 864.007272] Workqueue: xprtiod xprt_autoclose [sunrpc] [ 864.014056] Call Trace: [ 864.017575] __schedule+0x206/0x580 [ 864.022296] schedule+0x43/0xa0 [ 864.026736] schedule_timeout+0x115/0x150 [ 864.032185] __wait_for_common+0x93/0x1d0 [ 864.037717] ? usleep_range_state+0x90/0x90 [ 864.043368] __ib_drain_sq+0xf6/0x170 [ib_core] [ 864.049371] ? __rdma_block_iter_next+0x80/0x80 [ib_core] [ 864.056240] ib_drain_sq+0x66/0x70 [ib_core] [ 864.062003] rpcrdma_xprt_disconnect+0x82/0x3b0 [rpcrdma] [ 864.069365] ? xprt_prepare_transmit+0x5d/0xc0 [sunrpc] [ 864.076386] xprt_rdma_close+0xe/0x30 [rpcrdma] [ 864.082593] xprt_autoclose+0x52/0x100 [sunrpc] [ 864.088718] process_one_work+0x1e8/0x3c0 [ 864.094170] worker_thread+0x50/0x3b0 [ 864.099109] ? rescuer_thread+0x370/0x370 [ 864.104473] kthread+0x149/0x170 [ 864.109022] ? set_kthread_struct+0x40/0x40 [ 864.114713] ret_from_fork+0x22/0x30
References
Impacted products
Vendor Product Version
Linux Linux Version: bd2af69575f518a34a941b6b46882c7e2f43e8a2
Version: 81091d7696ae71627ff80bbf2c6b0986d2c1cce3
Version: 81091d7696ae71627ff80bbf2c6b0986d2c1cce3
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          "value": "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"
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