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CVE-2022-50472 (GCVE-0-2022-50472)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:16 – Updated: 2026-08-05 08:58
VLAI
Title
IB/mad: Don't call to function that might sleep while in atomic context
Summary
In the Linux kernel, the following vulnerability has been resolved: IB/mad: Don't call to function that might sleep while in atomic context Tracepoints are not allowed to sleep, as such the following splat is generated due to call to ib_query_pkey() in atomic context. WARNING: CPU: 0 PID: 1888000 at kernel/trace/ring_buffer.c:2492 rb_commit+0xc1/0x220 CPU: 0 PID: 1888000 Comm: kworker/u9:0 Kdump: loaded Tainted: G OE --------- - - 4.18.0-305.3.1.el8.x86_64 #1 Hardware name: Red Hat KVM, BIOS 1.13.0-2.module_el8.3.0+555+a55c8938 04/01/2014 Workqueue: ib-comp-unb-wq ib_cq_poll_work [ib_core] RIP: 0010:rb_commit+0xc1/0x220 RSP: 0000:ffffa8ac80f9bca0 EFLAGS: 00010202 RAX: ffff8951c7c01300 RBX: ffff8951c7c14a00 RCX: 0000000000000246 RDX: ffff8951c707c000 RSI: ffff8951c707c57c RDI: ffff8951c7c14a00 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8951c7c01300 R11: 0000000000000001 R12: 0000000000000246 R13: 0000000000000000 R14: ffffffff964c70c0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8951fbc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f20e8f39010 CR3: 000000002ca10005 CR4: 0000000000170ef0 Call Trace: ring_buffer_unlock_commit+0x1d/0xa0 trace_buffer_unlock_commit_regs+0x3b/0x1b0 trace_event_buffer_commit+0x67/0x1d0 trace_event_raw_event_ib_mad_recv_done_handler+0x11c/0x160 [ib_core] ib_mad_recv_done+0x48b/0xc10 [ib_core] ? trace_event_raw_event_cq_poll+0x6f/0xb0 [ib_core] __ib_process_cq+0x91/0x1c0 [ib_core] ib_cq_poll_work+0x26/0x80 [ib_core] process_one_work+0x1a7/0x360 ? create_worker+0x1a0/0x1a0 worker_thread+0x30/0x390 ? create_worker+0x1a0/0x1a0 kthread+0x116/0x130 ? kthread_flush_work_fn+0x10/0x10 ret_from_fork+0x35/0x40 ---[ end trace 78ba8509d3830a16 ]---
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 821bf1de45a1a084e2e11b1a2308777434194bfe , < d45e6ccb8e98d8339631f32984d345a663e74ce2 (git)
Affected: 821bf1de45a1a084e2e11b1a2308777434194bfe , < 47e31b86edff36f2d26cbc88ce695d98ff804178 (git)
Affected: 821bf1de45a1a084e2e11b1a2308777434194bfe , < cea70a572c0cb9728d728cfebe7d5bd485e97513 (git)
Affected: 821bf1de45a1a084e2e11b1a2308777434194bfe , < fa8a2f3be78e4585996bcf4c15e4504441a4c7a0 (git)
Affected: 821bf1de45a1a084e2e11b1a2308777434194bfe , < 5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3 (git)
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Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/mad: Don\u0027t call to function that might sleep while in atomic context\n\nTracepoints are not allowed to sleep, as such the following splat is\ngenerated due to call to ib_query_pkey() in atomic context.\n\nWARNING: CPU: 0 PID: 1888000 at kernel/trace/ring_buffer.c:2492 rb_commit+0xc1/0x220\nCPU: 0 PID: 1888000 Comm: kworker/u9:0 Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-305.3.1.el8.x86_64 #1\n Hardware name: Red Hat KVM, BIOS 1.13.0-2.module_el8.3.0+555+a55c8938 04/01/2014\n Workqueue: ib-comp-unb-wq ib_cq_poll_work [ib_core]\n RIP: 0010:rb_commit+0xc1/0x220\n RSP: 0000:ffffa8ac80f9bca0 EFLAGS: 00010202\n RAX: ffff8951c7c01300 RBX: ffff8951c7c14a00 RCX: 0000000000000246\n RDX: ffff8951c707c000 RSI: ffff8951c707c57c RDI: ffff8951c7c14a00\n RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\n R10: ffff8951c7c01300 R11: 0000000000000001 R12: 0000000000000246\n R13: 0000000000000000 R14: ffffffff964c70c0 R15: 0000000000000000\n FS:  0000000000000000(0000) GS:ffff8951fbc00000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f20e8f39010 CR3: 000000002ca10005 CR4: 0000000000170ef0\n Call Trace:\n  ring_buffer_unlock_commit+0x1d/0xa0\n  trace_buffer_unlock_commit_regs+0x3b/0x1b0\n  trace_event_buffer_commit+0x67/0x1d0\n  trace_event_raw_event_ib_mad_recv_done_handler+0x11c/0x160 [ib_core]\n  ib_mad_recv_done+0x48b/0xc10 [ib_core]\n  ? trace_event_raw_event_cq_poll+0x6f/0xb0 [ib_core]\n  __ib_process_cq+0x91/0x1c0 [ib_core]\n  ib_cq_poll_work+0x26/0x80 [ib_core]\n  process_one_work+0x1a7/0x360\n  ? create_worker+0x1a0/0x1a0\n  worker_thread+0x30/0x390\n  ? create_worker+0x1a0/0x1a0\n  kthread+0x116/0x130\n  ? kthread_flush_work_fn+0x10/0x10\n  ret_from_fork+0x35/0x40\n ---[ end trace 78ba8509d3830a16 ]---"
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    "dateReserved": "2025-10-04T15:13:33.466Z",
    "dateUpdated": "2026-08-05T08:58:53.300Z",
    "state": "PUBLISHED"
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00010202\\n RAX: ffff8951c7c01300 RBX: ffff8951c7c14a00 RCX: 0000000000000246\\n RDX: ffff8951c707c000 RSI: ffff8951c707c57c RDI: ffff8951c7c14a00\\n RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\\n R10: ffff8951c7c01300 R11: 0000000000000001 R12: 0000000000000246\\n R13: 0000000000000000 R14: ffffffff964c70c0 R15: 0000000000000000\\n FS:  0000000000000000(0000) GS:ffff8951fbc00000(0000) knlGS:0000000000000000\\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 00007f20e8f39010 CR3: 000000002ca10005 CR4: 0000000000170ef0\\n Call Trace:\\n  ring_buffer_unlock_commit+0x1d/0xa0\\n  trace_buffer_unlock_commit_regs+0x3b/0x1b0\\n  trace_event_buffer_commit+0x67/0x1d0\\n  trace_event_raw_event_ib_mad_recv_done_handler+0x11c/0x160 [ib_core]\\n  ib_mad_recv_done+0x48b/0xc10 [ib_core]\\n  ? trace_event_raw_event_cq_poll+0x6f/0xb0 [ib_core]\\n  __ib_process_cq+0x91/0x1c0 [ib_core]\\n  ib_cq_poll_work+0x26/0x80 [ib_core]\\n  process_one_work+0x1a7/0x360\\n  ? 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-09T19:06:27+00:00",
      "cve": "CVE-2022-50472",
      "id": "CVE-2022-50472",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "120",
      "product_status:known_affected": "124",
      "product_status:known_not_affected": "118",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: IB/mad: Don\u0027t call to function that might sleep while in atomic context",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50472.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T01:23:18Z",
      "cve": "CVE-2022-50472",
      "id": "CVE-2022-50472",
      "initial_release_date": "2025-10-05T02:58:04Z",
      "product_status:known_affected": "423",
      "product_status:known_not_affected": "326",
      "product_status:recommended": "245",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-50472",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50472.json",
      "version": "32"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.