{"id":"CVE-2022-48694","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-48694","generatedAt":"2026-10-27T20:53:05.385Z","title":"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.","description":"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 > /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","published":"2024-05-03T15:15:08.000Z","lastModified":"2026-08-04T10:17:16.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00612,"percentile":0.49028,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/14d148401c5202fec3a071e24785481d540b22c3","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5becc531a3fa8da75158a8993f56cc3e0717716e","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ead54ced6321099978d30d62dc49c282a6e70574","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/14d148401c5202fec3a071e24785481d540b22c3","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/5becc531a3fa8da75158a8993f56cc3e0717716e","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/ead54ced6321099978d30d62dc49c282a6e70574","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-48694","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}