CVE-2022-48705 (GCVE-0-2022-48705)

Vulnerability from cvelistv5 – Published: 2024-05-03 17:45 – Updated: 2026-05-23 15:20
VLAI
Title
wifi: mt76: mt7921e: fix crash in chip reset fail
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921e: fix crash in chip reset fail In case of drv own fail in reset, we may need to run mac_reset several times. The sequence would trigger system crash as the log below. Because we do not re-enable/schedule "tx_napi" before disable it again, the process would keep waiting for state change in napi_diable(). To avoid the problem and keep status synchronize for each run, goto final resource handling if drv own failed. [ 5857.353423] mt7921e 0000:3b:00.0: driver own failed [ 5858.433427] mt7921e 0000:3b:00.0: Timeout for driver own [ 5859.633430] mt7921e 0000:3b:00.0: driver own failed [ 5859.633444] ------------[ cut here ]------------ [ 5859.633446] WARNING: CPU: 6 at kernel/kthread.c:659 kthread_park+0x11d [ 5859.633717] Workqueue: mt76 mt7921_mac_reset_work [mt7921_common] [ 5859.633728] RIP: 0010:kthread_park+0x11d/0x150 [ 5859.633736] RSP: 0018:ffff8881b676fc68 EFLAGS: 00010202 ...... [ 5859.633766] Call Trace: [ 5859.633768] <TASK> [ 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] process_one_work+0x7ee/0x1320 [ 5859.633810] worker_thread+0x53c/0x1240 [ 5859.633818] kthread+0x2b8/0x370 [ 5859.633824] ? process_one_work+0x1320/0x1320 [ 5859.633828] ? kthread_complete_and_exit+0x30/0x30 [ 5859.633834] ret_from_fork+0x1f/0x30 [ 5859.633842] </TASK>
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-03 19:17 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0efaf31dec572d3aac4316c6d952e06d1c33adc4 , < f7f3001723e337568017e8617974f29bc8b2f595 (git)
Affected: 0efaf31dec572d3aac4316c6d952e06d1c33adc4 , < fa3fbe64037839f448dc569212bafc5a495d8219 (git)
Affected: cdb39e251f864910b2fb6c099b1ef9d12c6e22c7 (git)
Affected: 5.16.3 , < 5.17 (semver)
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Linux Linux Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 5.19.9 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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          "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] "
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      "published": "2024-05-03T18:15:08.403",
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            "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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            "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] "
          }
        ],
        "id": "CVE-2022-48705",
        "lastModified": "2026-06-17T05:15:58.363",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-03T19:17:08.017187Z",
                "version": "2.0.3"
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        "published": "2024-05-03T18:15:08.403",
        "references": [
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      "current_release_date": "2025-11-21T11:01:24+00:00",
      "cve": "CVE-2022-48705",
      "id": "CVE-2022-48705",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: mt76: mt7921e: fix crash in chip reset fail",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-48705.json",
      "version": "3"
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    "suse_vex": {
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      "current_release_date": "2026-09-01T01:30:11Z",
      "cve": "CVE-2022-48705",
      "id": "CVE-2022-48705",
      "initial_release_date": "2024-05-04T02:29:09Z",
      "product_status:known_affected": "315",
      "product_status:known_not_affected": "323",
      "product_status:recommended": "313",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-48705",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-48705.json",
      "version": "51"
    },
    "vulnrichment": {
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            ],
            "title": "CVE Program Container"
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            "metrics": [
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                  "content": {
                    "id": "CVE-2022-48705",
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                      },
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              "dateUpdated": "2024-05-23T19:01:24.072Z",
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              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
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              "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",
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                {
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                  "version": "0",
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                  "status": "unaffected",
                  "version": "5.19.9",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.0",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
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              "nodes": [
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                      "versionEndExcluding": "5.19.9",
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                      "vulnerable": true
                    },
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                      "versionStartIncluding": "5.17",
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                    },
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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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            "dateUpdated": "2026-05-23T15:20:30.981Z",
            "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",
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            "engine": "bippy-1.2.0"
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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": "2026-05-23T15:20:30.981Z",
        "state": "PUBLISHED"
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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