fkie_nvd - fkie_cve-2021-47569

fkie_cve-2021-47569

Vulnerability from fkie_nvd

Published

2024-05-24 15:15

Modified

2024-11-21 06:36

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: io_uring: fail cancellation for EXITING tasks WARNING: CPU: 1 PID: 20 at fs/io_uring.c:6269 io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller #0 Workqueue: events io_fallback_req_func RIP: 0010:io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269 Call Trace: <TASK> io_req_task_link_timeout+0x6b/0x1e0 fs/io_uring.c:6886 io_fallback_req_func+0xf9/0x1ae fs/io_uring.c:1334 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> We need original task's context to do cancellations, so if it's dying and the callback is executed in a fallback mode, fail the cancellation attempt.

References

▼	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3d2a1e68fd9904fdc1b02f2e7d40ca47df7ba39f
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/617a89484debcd4e7999796d693cf0b77d2519de
	af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/3d2a1e68fd9904fdc1b02f2e7d40ca47df7ba39f
	af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/617a89484debcd4e7999796d693cf0b77d2519de

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fail cancellation for EXITING tasks\n\nWARNING: CPU: 1 PID: 20 at fs/io_uring.c:6269 io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269\nCPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller #0\nWorkqueue: events io_fallback_req_func\nRIP: 0010:io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269\nCall Trace:\n \u003cTASK\u003e\n io_req_task_link_timeout+0x6b/0x1e0 fs/io_uring.c:6886\n io_fallback_req_func+0xf9/0x1ae fs/io_uring.c:1334\n process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298\n worker_thread+0x658/0x11f0 kernel/workqueue.c:2445\n kthread+0x405/0x4f0 kernel/kthread.c:327\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295\n \u003c/TASK\u003e\n\nWe need original task\u0027s context to do cancellations, so if it\u0027s dying\nand the callback is executed in a fallback mode, fail the cancellation\nattempt."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: io_uring: cancelaci\u00f3n fallida para tareas SALIDAS ADVERTENCIA: CPU: 1 PID: 20 en fs/io_uring.c:6269 io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 No contaminado 5.16.0-rc1-syzkaller #0 Cola de trabajo: eventos io_fallback_req_func RIP: 0010:io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269 Seguimiento de llamadas:  io_req_task_link_timeout+0x6b /0x1e0 fs/io_uring.c:6886 io_fallback_req_func+0xf9/0x1ae fs/io_uring.c:1334 Process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 trabajador_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0 x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295  Necesitamos el contexto de la tarea original para realizar cancelaciones, por lo que si est\u00e1 muriendo y la devoluci\u00f3n de llamada se ejecuta en modo alternativo, fallar el intento de cancelaci\u00f3n."
    }
  ],
  "id": "CVE-2021-47569",
  "lastModified": "2024-11-21T06:36:34.593",
  "metrics": {},
  "published": "2024-05-24T15:15:22.203",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/3d2a1e68fd9904fdc1b02f2e7d40ca47df7ba39f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/617a89484debcd4e7999796d693cf0b77d2519de"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://git.kernel.org/stable/c/3d2a1e68fd9904fdc1b02f2e7d40ca47df7ba39f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://git.kernel.org/stable/c/617a89484debcd4e7999796d693cf0b77d2519de"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

cve-2021-47569

Vulnerability from cvelistv5

Published

2024-05-24 15:12

Modified

2024-12-19 07:45

Severity ?

Summary

References

▼	URL	Tags
	https://git.kernel.org/stable/c/3d2a1e68fd9904fdc1b02f2e7d40ca47df7ba39f
	https://git.kernel.org/stable/c/617a89484debcd4e7999796d693cf0b77d2519de

Impacted products

Vendor

Product

Version

▼

Linux

Version: 89b263f6d56e683ddcf7643140271ef6e36c72b9
Version: 89b263f6d56e683ddcf7643140271ef6e36c72b9

Linux

Version: 5.15

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T05:39:59.633Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          {
            "tags": [
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            ],
            "url": "https://git.kernel.org/stable/c/617a89484debcd4e7999796d693cf0b77d2519de"
          }
        ],
        "title": "CVE Program Container"
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      {
        "metrics": [
          {
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              "content": {
                "id": "CVE-2021-47569",
                "options": [
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                  },
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                  },
                  {
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:35:11.017717Z",
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          "shortName": "CISA-ADP"
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          "programFiles": [
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          "versions": [
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    "datePublished": "2024-05-24T15:12:55.394Z",
    "dateReserved": "2024-05-24T15:11:00.729Z",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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