cve-2022-48705
Vulnerability from cvelistv5
Published
2024-05-03 17:45
Modified
2024-08-03 15:17
Severity ?
Summary
wifi: mt76: mt7921e: fix crash in chip reset fail
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f7f3001723e337568017e8617974f29bc8b2f595
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fa3fbe64037839f448dc569212bafc5a495d8219
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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                "id": "CVE-2022-48705",
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-03T19:17:08.017187Z",
                "version": "2.0.3"
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          "dateUpdated": "2024-06-04T17:16:43.834Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:17:55.854Z",
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            "url": "https://git.kernel.org/stable/c/fa3fbe64037839f448dc569212bafc5a495d8219"
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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "status": "affected",
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          "product": "Linux",
          "programFiles": [
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921e: fix crash in chip reset fail\n\nIn case of drv own fail in reset, we may need to run mac_reset several\ntimes. The sequence would trigger system crash as the log below.\n\nBecause we do not re-enable/schedule \"tx_napi\" before disable it again,\nthe process would keep waiting for state change in napi_diable(). To\navoid the problem and keep status synchronize for each run, goto final\nresource handling if drv own failed.\n\n[ 5857.353423] mt7921e 0000:3b:00.0: driver own failed\n[ 5858.433427] mt7921e 0000:3b:00.0: Timeout for driver own\n[ 5859.633430] mt7921e 0000:3b:00.0: driver own failed\n[ 5859.633444] ------------[ cut here ]------------\n[ 5859.633446] WARNING: CPU: 6 at kernel/kthread.c:659 kthread_park+0x11d\n[ 5859.633717] Workqueue: mt76 mt7921_mac_reset_work [mt7921_common]\n[ 5859.633728] RIP: 0010:kthread_park+0x11d/0x150\n[ 5859.633736] RSP: 0018:ffff8881b676fc68 EFLAGS: 00010202\n......\n[ 5859.633766] Call Trace:\n[ 5859.633768]  \u003cTASK\u003e\n[ 5859.633771]  mt7921e_mac_reset+0x176/0x6f0 [mt7921e]\n[ 5859.633778]  mt7921_mac_reset_work+0x184/0x3a0 [mt7921_common]\n[ 5859.633785]  ? mt7921_mac_set_timing+0x520/0x520 [mt7921_common]\n[ 5859.633794]  ? __kasan_check_read+0x11/0x20\n[ 5859.633802]  process_one_work+0x7ee/0x1320\n[ 5859.633810]  worker_thread+0x53c/0x1240\n[ 5859.633818]  kthread+0x2b8/0x370\n[ 5859.633824]  ? process_one_work+0x1320/0x1320\n[ 5859.633828]  ? kthread_complete_and_exit+0x30/0x30\n[ 5859.633834]  ret_from_fork+0x1f/0x30\n[ 5859.633842]  \u003c/TASK\u003e"
        }
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      "providerMetadata": {
        "dateUpdated": "2024-05-29T05:11:40.026Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/f7f3001723e337568017e8617974f29bc8b2f595"
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          "url": "https://git.kernel.org/stable/c/fa3fbe64037839f448dc569212bafc5a495d8219"
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      "title": "wifi: mt76: mt7921e: fix crash in chip reset fail",
      "x_generator": {
        "engine": "bippy-a5840b7849dd"
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48705",
    "datePublished": "2024-05-03T17:45:54.910Z",
    "dateReserved": "2024-05-03T14:55:07.146Z",
    "dateUpdated": "2024-08-03T15:17:55.854Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48705\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-03T18:15:08.403\",\"lastModified\":\"2024-05-06T12:44:56.377\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: mt76: mt7921e: fix crash in chip reset fail\\n\\nIn case of drv own fail in reset, we may need to run mac_reset several\\ntimes. The sequence would trigger system crash as the log below.\\n\\nBecause we do not re-enable/schedule \\\"tx_napi\\\" before disable it again,\\nthe process would keep waiting for state change in napi_diable(). To\\navoid the problem and keep status synchronize for each run, goto final\\nresource handling if drv own failed.\\n\\n[ 5857.353423] mt7921e 0000:3b:00.0: driver own failed\\n[ 5858.433427] mt7921e 0000:3b:00.0: Timeout for driver own\\n[ 5859.633430] mt7921e 0000:3b:00.0: driver own failed\\n[ 5859.633444] ------------[ cut here ]------------\\n[ 5859.633446] WARNING: CPU: 6 at kernel/kthread.c:659 kthread_park+0x11d\\n[ 5859.633717] Workqueue: mt76 mt7921_mac_reset_work [mt7921_common]\\n[ 5859.633728] RIP: 0010:kthread_park+0x11d/0x150\\n[ 5859.633736] RSP: 0018:ffff8881b676fc68 EFLAGS: 00010202\\n......\\n[ 5859.633766] Call Trace:\\n[ 5859.633768]  \u003cTASK\u003e\\n[ 5859.633771]  mt7921e_mac_reset+0x176/0x6f0 [mt7921e]\\n[ 5859.633778]  mt7921_mac_reset_work+0x184/0x3a0 [mt7921_common]\\n[ 5859.633785]  ? mt7921_mac_set_timing+0x520/0x520 [mt7921_common]\\n[ 5859.633794]  ? __kasan_check_read+0x11/0x20\\n[ 5859.633802]  process_one_work+0x7ee/0x1320\\n[ 5859.633810]  worker_thread+0x53c/0x1240\\n[ 5859.633818]  kthread+0x2b8/0x370\\n[ 5859.633824]  ? process_one_work+0x1320/0x1320\\n[ 5859.633828]  ? kthread_complete_and_exit+0x30/0x30\\n[ 5859.633834]  ret_from_fork+0x1f/0x30\\n[ 5859.633842]  \u003c/TASK\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mt76: mt7921e: reparaci\u00f3n del fallo en el reinicio del chip. En caso de que el propio drv falle en el reinicio, es posible que necesitemos ejecutar mac_reset varias veces. La secuencia provocar\u00eda un fallo del sistema como se muestra en el siguiente registro. Debido a que no volvemos a habilitar/programar \\\"tx_napi\\\" antes de deshabilitarlo nuevamente, el proceso seguir\u00e1 esperando el cambio de estado en napi_diable(). Para evitar el problema y mantener el estado sincronizado para cada ejecuci\u00f3n, vaya al manejo de recursos finales si el propio drv falla. [ 5857.353423] mt7921e 0000:3b:00.0: el controlador propio fall\u00f3 [ 5858.433427] mt7921e 0000:3b:00.0: Tiempo de espera para el controlador propio [ 5859.633430] mt7921e 0000:3b:00.0: el controlador propio fall\u00f3 [ 5859. 633444] ------- -----[ cortar aqu\u00ed ]------------ [ 5859.633446] ADVERTENCIA: CPU: 6 en kernel/kthread.c:659 kthread_park+0x11d [ 5859.633717] Cola de trabajo: mt76 mt7921_mac_reset_work [mt7921_common] [ 5859.633728] RIP: 0010:kthread_park+0x11d/0x150 [ 5859.633736] RSP: 0018:ffff8881b676fc68 EFLAGS: 00010202 ...... [ 5859.633766] Seguimiento de llamadas: [ 5859.633768 ]  [ 5859.633771] mt7921e_mac_reset+0x176/0x6f0 [ mt7921e] [5859.633778] mt7921_mac_reset_work+0x184/0x3a0 [mt7921_common] [5859.633785]? mt7921_mac_set_timing+0x520/0x520 [mt7921_common] [5859.633794]? __kasan_check_read+0x11/0x20 [ 5859.633802] proceso_one_work+0x7ee/0x1320 [ 5859.633810] trabajador_thread+0x53c/0x1240 [ 5859.633818] kthread+0x2b8/0x370 [ 5859.633824] ? proceso_one_work+0x1320/0x1320 [5859.633828]? kthread_complete_and_exit+0x30/0x30 [ 5859.633834] ret_from_fork+0x1f/0x30 [ 5859.633842] \"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/f7f3001723e337568017e8617974f29bc8b2f595\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fa3fbe64037839f448dc569212bafc5a495d8219\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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