CVE-2024-56599 (GCVE-0-2024-56599)
Vulnerability from cvelistv5
Published
2024-12-27 14:51
Modified
2025-05-04 09:59
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: avoid NULL pointer error during sdio remove When running 'rmmod ath10k', ath10k_sdio_remove() will free sdio workqueue by destroy_workqueue(). But if CONFIG_INIT_ON_FREE_DEFAULT_ON is set to yes, kernel panic will happen: Call trace: destroy_workqueue+0x1c/0x258 ath10k_sdio_remove+0x84/0x94 sdio_bus_remove+0x50/0x16c device_release_driver_internal+0x188/0x25c device_driver_detach+0x20/0x2c This is because during 'rmmod ath10k', ath10k_sdio_remove() will call ath10k_core_destroy() before destroy_workqueue(). wiphy_dev_release() will finally be called in ath10k_core_destroy(). This function will free struct cfg80211_registered_device *rdev and all its members, including wiphy, dev and the pointer of sdio workqueue. Then the pointer of sdio workqueue will be set to NULL due to CONFIG_INIT_ON_FREE_DEFAULT_ON. After device release, destroy_workqueue() will use NULL pointer then the kernel panic happen. Call trace: ath10k_sdio_remove ->ath10k_core_unregister …… ->ath10k_core_stop ->ath10k_hif_stop ->ath10k_sdio_irq_disable ->ath10k_hif_power_down ->del_timer_sync(&ar_sdio->sleep_timer) ->ath10k_core_destroy ->ath10k_mac_destroy ->ieee80211_free_hw ->wiphy_free …… ->wiphy_dev_release ->destroy_workqueue Need to call destroy_workqueue() before ath10k_core_destroy(), free the work queue buffer first and then free pointer of work queue by ath10k_core_destroy(). This order matches the error path order in ath10k_sdio_probe(). No work will be queued on sdio workqueue between it is destroyed and ath10k_core_destroy() is called. Based on the call_stack above, the reason is: Only ath10k_sdio_sleep_timer_handler(), ath10k_sdio_hif_tx_sg() and ath10k_sdio_irq_disable() will queue work on sdio workqueue. Sleep timer will be deleted before ath10k_core_destroy() in ath10k_hif_power_down(). ath10k_sdio_irq_disable() only be called in ath10k_hif_stop(). ath10k_core_unregister() will call ath10k_hif_power_down() to stop hif bus, so ath10k_sdio_hif_tx_sg() won't be called anymore. Tested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00189
References
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/ath/ath10k/sdio.c"
          ],
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/ath/ath10k/sdio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "version": "5.15.181",
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              "version": "6.1.127",
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              "status": "unaffected",
              "version": "6.6.70",
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              "status": "unaffected",
              "version": "6.12.5",
              "versionType": "semver"
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              "lessThanOrEqual": "*",
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              "version": "6.13",
              "versionType": "original_commit_for_fix"
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      "cpeApplicability": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath10k: avoid NULL pointer error during sdio remove\n\nWhen running \u0027rmmod ath10k\u0027, ath10k_sdio_remove() will free sdio\nworkqueue by destroy_workqueue(). But if CONFIG_INIT_ON_FREE_DEFAULT_ON\nis set to yes, kernel panic will happen:\nCall trace:\n destroy_workqueue+0x1c/0x258\n ath10k_sdio_remove+0x84/0x94\n sdio_bus_remove+0x50/0x16c\n device_release_driver_internal+0x188/0x25c\n device_driver_detach+0x20/0x2c\n\nThis is because during \u0027rmmod ath10k\u0027, ath10k_sdio_remove() will call\nath10k_core_destroy() before destroy_workqueue(). wiphy_dev_release()\nwill finally be called in ath10k_core_destroy(). This function will free\nstruct cfg80211_registered_device *rdev and all its members, including\nwiphy, dev and the pointer of sdio workqueue. Then the pointer of sdio\nworkqueue will be set to NULL due to CONFIG_INIT_ON_FREE_DEFAULT_ON.\n\nAfter device release, destroy_workqueue() will use NULL pointer then the\nkernel panic happen.\n\nCall trace:\nath10k_sdio_remove\n  -\u003eath10k_core_unregister\n    \u2026\u2026\n    -\u003eath10k_core_stop\n      -\u003eath10k_hif_stop\n        -\u003eath10k_sdio_irq_disable\n    -\u003eath10k_hif_power_down\n      -\u003edel_timer_sync(\u0026ar_sdio-\u003esleep_timer)\n  -\u003eath10k_core_destroy\n    -\u003eath10k_mac_destroy\n      -\u003eieee80211_free_hw\n        -\u003ewiphy_free\n    \u2026\u2026\n          -\u003ewiphy_dev_release\n  -\u003edestroy_workqueue\n\nNeed to call destroy_workqueue() before ath10k_core_destroy(), free\nthe work queue buffer first and then free pointer of work queue by\nath10k_core_destroy(). This order matches the error path order in\nath10k_sdio_probe().\n\nNo work will be queued on sdio workqueue between it is destroyed and\nath10k_core_destroy() is called. Based on the call_stack above, the\nreason is:\nOnly ath10k_sdio_sleep_timer_handler(), ath10k_sdio_hif_tx_sg() and\nath10k_sdio_irq_disable() will queue work on sdio workqueue.\nSleep timer will be deleted before ath10k_core_destroy() in\nath10k_hif_power_down().\nath10k_sdio_irq_disable() only be called in ath10k_hif_stop().\nath10k_core_unregister() will call ath10k_hif_power_down() to stop hif\nbus, so ath10k_sdio_hif_tx_sg() won\u0027t be called anymore.\n\nTested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00189"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:59:25.230Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/27d5d217ae7ffb99dd623375a17a7d3418d9c755"
        },
        {
          "url": "https://git.kernel.org/stable/c/27fda36eedad9e4ec795dc481f307901d1885112"
        },
        {
          "url": "https://git.kernel.org/stable/c/6e5dbd1c04abf2c19b2282915e6fa48b6ccc6921"
        },
        {
          "url": "https://git.kernel.org/stable/c/b35de9e01fc79c7baac666fb2dcb4ba7698a1d97"
        },
        {
          "url": "https://git.kernel.org/stable/c/543c0924d446b21f35701ca084d7feca09511220"
        },
        {
          "url": "https://git.kernel.org/stable/c/95c38953cb1ecf40399a676a1f85dfe2b5780a9a"
        }
      ],
      "title": "wifi: ath10k: avoid NULL pointer error during sdio remove",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56599",
    "datePublished": "2024-12-27T14:51:05.866Z",
    "dateReserved": "2024-12-27T14:03:06.011Z",
    "dateUpdated": "2025-05-04T09:59:25.230Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56599\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T15:15:19.307\",\"lastModified\":\"2025-05-02T07:15:57.903\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: ath10k: avoid NULL pointer error during sdio remove\\n\\nWhen running \u0027rmmod ath10k\u0027, ath10k_sdio_remove() will free sdio\\nworkqueue by destroy_workqueue(). But if CONFIG_INIT_ON_FREE_DEFAULT_ON\\nis set to yes, kernel panic will happen:\\nCall trace:\\n destroy_workqueue+0x1c/0x258\\n ath10k_sdio_remove+0x84/0x94\\n sdio_bus_remove+0x50/0x16c\\n device_release_driver_internal+0x188/0x25c\\n device_driver_detach+0x20/0x2c\\n\\nThis is because during \u0027rmmod ath10k\u0027, ath10k_sdio_remove() will call\\nath10k_core_destroy() before destroy_workqueue(). wiphy_dev_release()\\nwill finally be called in ath10k_core_destroy(). This function will free\\nstruct cfg80211_registered_device *rdev and all its members, including\\nwiphy, dev and the pointer of sdio workqueue. Then the pointer of sdio\\nworkqueue will be set to NULL due to CONFIG_INIT_ON_FREE_DEFAULT_ON.\\n\\nAfter device release, destroy_workqueue() will use NULL pointer then the\\nkernel panic happen.\\n\\nCall trace:\\nath10k_sdio_remove\\n  -\u003eath10k_core_unregister\\n    \u2026\u2026\\n    -\u003eath10k_core_stop\\n      -\u003eath10k_hif_stop\\n        -\u003eath10k_sdio_irq_disable\\n    -\u003eath10k_hif_power_down\\n      -\u003edel_timer_sync(\u0026ar_sdio-\u003esleep_timer)\\n  -\u003eath10k_core_destroy\\n    -\u003eath10k_mac_destroy\\n      -\u003eieee80211_free_hw\\n        -\u003ewiphy_free\\n    \u2026\u2026\\n          -\u003ewiphy_dev_release\\n  -\u003edestroy_workqueue\\n\\nNeed to call destroy_workqueue() before ath10k_core_destroy(), free\\nthe work queue buffer first and then free pointer of work queue by\\nath10k_core_destroy(). This order matches the error path order in\\nath10k_sdio_probe().\\n\\nNo work will be queued on sdio workqueue between it is destroyed and\\nath10k_core_destroy() is called. Based on the call_stack above, the\\nreason is:\\nOnly ath10k_sdio_sleep_timer_handler(), ath10k_sdio_hif_tx_sg() and\\nath10k_sdio_irq_disable() will queue work on sdio workqueue.\\nSleep timer will be deleted before ath10k_core_destroy() in\\nath10k_hif_power_down().\\nath10k_sdio_irq_disable() only be called in ath10k_hif_stop().\\nath10k_core_unregister() will call ath10k_hif_power_down() to stop hif\\nbus, so ath10k_sdio_hif_tx_sg() won\u0027t be called anymore.\\n\\nTested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00189\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath10k: evitar error de puntero NULL durante la eliminaci\u00f3n de sdio Al ejecutar \u0027rmmod ath10k\u0027, ath10k_sdio_remove() liberar\u00e1 la cola de trabajo de sdio mediante destroy_workqueue(). Pero si CONFIG_INIT_ON_FREE_DEFAULT_ON est\u00e1 configurado en s\u00ed, se producir\u00e1 un p\u00e1nico del kernel: Rastreo de llamada: destroy_workqueue+0x1c/0x258 ath10k_sdio_remove+0x84/0x94 sdio_bus_remove+0x50/0x16c device_release_driver_internal+0x188/0x25c device_driver_detach+0x20/0x2c Esto se debe a que durante \u0027rmmod ath10k\u0027, ath10k_sdio_remove() llamar\u00e1 a ath10k_core_destroy() antes de destroy_workqueue(). wiphy_dev_release() finalmente se llamar\u00e1 en ath10k_core_destroy(). Esta funci\u00f3n liberar\u00e1 la estructura cfg80211_registered_device *rdev y todos sus miembros, incluidos wiphy, dev y el puntero de sdio workqueue. Luego, el puntero de sdio workqueue se establecer\u00e1 en NULL debido a CONFIG_INIT_ON_FREE_DEFAULT_ON. Despu\u00e9s de liberar el dispositivo, destroy_workqueue() usar\u00e1 el puntero NULL y luego se producir\u00e1 el p\u00e1nico del kernel. Rastreo de llamadas: ath10k_sdio_remove -\u0026gt;ath10k_core_unregister \u2026\u2026 -\u0026gt;ath10k_core_stop -\u0026gt;ath10k_hif_stop -\u0026gt;ath10k_sdio_irq_disable -\u0026gt;ath10k_hif_power_down -\u0026gt;del_timer_sync(\u0026amp;ar_sdio-\u0026gt;sleep_timer) -\u0026gt;ath10k_core_destroy -\u0026gt;ath10k_mac_destroy -\u0026gt;ieee80211_free_hw -\u0026gt;wiphy_free \u2026\u2026 -\u0026gt;wiphy_dev_release -\u0026gt;destroy_workqueue Es necesario llamar a destroy_workqueue() antes de ath10k_core_destroy(), primero liberar el b\u00fafer de la cola de trabajo y luego liberar el puntero de la cola de trabajo mediante ath10k_core_destroy(). Este orden coincide con el orden de la ruta de error en ath10k_sdio_probe(). No se pondr\u00e1 en cola ning\u00fan trabajo en la cola de trabajo de sdio entre su destrucci\u00f3n y la llamada a ath10k_core_destroy(). Seg\u00fan la pila de llamadas anterior, el motivo es el siguiente: solo ath10k_sdio_sleep_timer_handler(), ath10k_sdio_hif_tx_sg() y ath10k_sdio_irq_disable() pondr\u00e1n en cola el trabajo en la cola de trabajo de sdio. El temporizador de suspensi\u00f3n se eliminar\u00e1 antes de ath10k_core_destroy() en ath10k_hif_power_down(). ath10k_sdio_irq_disable() solo se llamar\u00e1 en ath10k_hif_stop(). ath10k_core_unregister() llamar\u00e1 a ath10k_hif_power_down() para detener el bus hif, por lo que ya no se llamar\u00e1 ath10k_sdio_hif_tx_sg(). Probado en: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00189\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.12.5\",\"matchCriteriaId\":\"75E05E0A-C898-433A-8E50-6D9EC8646A64\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/27d5d217ae7ffb99dd623375a17a7d3418d9c755\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/27fda36eedad9e4ec795dc481f307901d1885112\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/543c0924d446b21f35701ca084d7feca09511220\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6e5dbd1c04abf2c19b2282915e6fa48b6ccc6921\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/95c38953cb1ecf40399a676a1f85dfe2b5780a9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b35de9e01fc79c7baac666fb2dcb4ba7698a1d97\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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