CVE-2024-56599 (GCVE-0-2024-56599)

Vulnerability from cvelistv5 – Published: 2024-12-27 14:51 – Updated: 2026-05-11 20:55
VLAI
Title
wifi: ath10k: avoid NULL pointer error during sdio remove
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
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6666 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < 27d5d217ae7ffb99dd623375a17a7d3418d9c755 (git)
Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < 27fda36eedad9e4ec795dc481f307901d1885112 (git)
Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < 6e5dbd1c04abf2c19b2282915e6fa48b6ccc6921 (git)
Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < b35de9e01fc79c7baac666fb2dcb4ba7698a1d97 (git)
Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < 543c0924d446b21f35701ca084d7feca09511220 (git)
Affected: 5e3dd157d7e70f0e3cea3f2573ed69fb156a19d5 , < 95c38953cb1ecf40399a676a1f85dfe2b5780a9a (git)
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Linux Linux Affected: 3.11
Unaffected: 0 , < 3.11 (semver)
Unaffected: 5.10.237 , ≤ 5.10.* (semver)
Unaffected: 5.15.181 , ≤ 5.15.* (semver)
Unaffected: 6.1.127 , ≤ 6.1.* (semver)
Unaffected: 6.6.70 , ≤ 6.6.* (semver)
Unaffected: 6.12.5 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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          "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"
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            "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"
          }
        ],
        "id": "CVE-2024-56599",
        "lastModified": "2026-06-17T08:12:30.777",
        "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"
            }
          ]
        },
        "published": "2024-12-27T15:15:19.307",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "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",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/543c0924d446b21f35701ca084d7feca09511220"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/6e5dbd1c04abf2c19b2282915e6fa48b6ccc6921"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/95c38953cb1ecf40399a676a1f85dfe2b5780a9a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/b35de9e01fc79c7baac666fb2dcb4ba7698a1d97"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-476"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:58:29+00:00",
      "cve": "CVE-2024-56599",
      "id": "CVE-2024-56599",
      "initial_release_date": "2024-12-27T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: wifi: ath10k: avoid NULL pointer error during sdio remove",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-56599.json",
      "version": "3"
    }
  }
}



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