CVE-2024-42319 (GCVE-0-2024-42319)

Vulnerability from cvelistv5 – Published: 2024-08-17 09:09 – Updated: 2026-05-11 20:30
VLAI
Title
mailbox: mtk-cmdq: Move devm_mbox_controller_register() after devm_pm_runtime_enable()
Summary
In the Linux kernel, the following vulnerability has been resolved: mailbox: mtk-cmdq: Move devm_mbox_controller_register() after devm_pm_runtime_enable() When mtk-cmdq unbinds, a WARN_ON message with condition pm_runtime_get_sync() < 0 occurs. According to the call tracei below: cmdq_mbox_shutdown mbox_free_channel mbox_controller_unregister __devm_mbox_controller_unregister ... The root cause can be deduced to be calling pm_runtime_get_sync() after calling pm_runtime_disable() as observed below: 1. CMDQ driver uses devm_mbox_controller_register() in cmdq_probe() to bind the cmdq device to the mbox_controller, so devm_mbox_controller_unregister() will automatically unregister the device bound to the mailbox controller when the device-managed resource is removed. That means devm_mbox_controller_unregister() and cmdq_mbox_shoutdown() will be called after cmdq_remove(). 2. CMDQ driver also uses devm_pm_runtime_enable() in cmdq_probe() after devm_mbox_controller_register(), so that devm_pm_runtime_disable() will be called after cmdq_remove(), but before devm_mbox_controller_unregister(). To fix this problem, cmdq_probe() needs to move devm_mbox_controller_register() after devm_pm_runtime_enable() to make devm_pm_runtime_disable() be called after devm_mbox_controller_unregister().
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 623a6143a845bd485b00ba684f0ccef11835edab , < 1403991a40b94438a2acc749bf05c117abdb34f9 (git)
Affected: 623a6143a845bd485b00ba684f0ccef11835edab , < d00df6700ad10974a7e20646956f4ff22cdbe0ec (git)
Affected: 623a6143a845bd485b00ba684f0ccef11835edab , < 11fa625b45faf0649118b9deaf2d31c86ac41911 (git)
Affected: 623a6143a845bd485b00ba684f0ccef11835edab , < a8bd68e4329f9a0ad1b878733e0f80be6a971649 (git)
Create a notification for this product.
Linux Linux Affected: 4.19
Unaffected: 0 , < 4.19 (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.10.3 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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CMDQ driver uses devm_mbox_controller_register() in cmdq_probe()\\n   to bind the cmdq device to the mbox_controller, so\\n   devm_mbox_controller_unregister() will automatically unregister\\n   the device bound to the mailbox controller when the device-managed\\n   resource is removed. That means devm_mbox_controller_unregister()\\n   and cmdq_mbox_shoutdown() will be called after cmdq_remove().\\n2. CMDQ driver also uses devm_pm_runtime_enable() in cmdq_probe() after\\n   devm_mbox_controller_register(), so that devm_pm_runtime_disable()\\n   will be called after cmdq_remove(), but before\\n   devm_mbox_controller_unregister().\\n\\nTo fix this problem, cmdq_probe() needs to move\\ndevm_mbox_controller_register() after devm_pm_runtime_enable() to make\\ndevm_pm_runtime_disable() be called after\\ndevm_mbox_controller_unregister().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: buz\u00f3n: mtk-cmdq: mover devm_mbox_controller_register() despu\u00e9s de devm_pm_runtime_enable() Cuando mtk-cmdq se desvincula, aparece un mensaje WARN_ON con la condici\u00f3n pm_runtime_get_sync() \u0026lt; 0. De acuerdo con el seguimiento de llamadas a continuaci\u00f3n: cmdq_mbox_shutdown mbox_free_channel mbox_controller_unregister __devm_mbox_controller_unregister ... Se puede deducir que la causa ra\u00edz es llamar a pm_runtime_get_sync() despu\u00e9s de llamar a pm_runtime_disable() como se observa a continuaci\u00f3n: 1. El controlador CMDQ usa devm_mbox_controller_register() en cmdq_probe() para vincular el cmdq al mbox_controller, por lo que devm_mbox_controller_unregister() cancelar\u00e1 autom\u00e1ticamente el registro del dispositivo vinculado al controlador del buz\u00f3n cuando se elimine el recurso administrado por el dispositivo. Eso significa que devm_mbox_controller_unregister() y cmdq_mbox_shoutdown() ser\u00e1n llamados despu\u00e9s de cmdq_remove(). 2. El controlador CMDQ tambi\u00e9n usa devm_pm_runtime_enable() en cmdq_probe() despu\u00e9s de devm_mbox_controller_register(), por lo que se llamar\u00e1 a devm_pm_runtime_disable() despu\u00e9s de cmdq_remove(), pero antes de devm_mbox_controller_unregister(). 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      "title": "kernel: mailbox: mtk-cmdq: Move devm_mbox_controller_register() after devm_pm_runtime_enable()",
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-42319\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:09:32.477080Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:23.356Z\"}}], \"cna\": {\"title\": \"mailbox: mtk-cmdq: Move devm_mbox_controller_register() after devm_pm_runtime_enable()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"623a6143a845bd485b00ba684f0ccef11835edab\", \"lessThan\": \"1403991a40b94438a2acc749bf05c117abdb34f9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"623a6143a845bd485b00ba684f0ccef11835edab\", \"lessThan\": \"d00df6700ad10974a7e20646956f4ff22cdbe0ec\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"623a6143a845bd485b00ba684f0ccef11835edab\", \"lessThan\": \"11fa625b45faf0649118b9deaf2d31c86ac41911\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"623a6143a845bd485b00ba684f0ccef11835edab\", \"lessThan\": \"a8bd68e4329f9a0ad1b878733e0f80be6a971649\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/mailbox/mtk-cmdq-mailbox.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.19\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.19\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/mailbox/mtk-cmdq-mailbox.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/1403991a40b94438a2acc749bf05c117abdb34f9\"}, {\"url\": \"https://git.kernel.org/stable/c/d00df6700ad10974a7e20646956f4ff22cdbe0ec\"}, {\"url\": \"https://git.kernel.org/stable/c/11fa625b45faf0649118b9deaf2d31c86ac41911\"}, {\"url\": \"https://git.kernel.org/stable/c/a8bd68e4329f9a0ad1b878733e0f80be6a971649\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmailbox: mtk-cmdq: Move devm_mbox_controller_register() after devm_pm_runtime_enable()\\n\\nWhen mtk-cmdq unbinds, a WARN_ON message with condition\\npm_runtime_get_sync() \u003c 0 occurs.\\n\\nAccording to the call tracei below:\\n  cmdq_mbox_shutdown\\n  mbox_free_channel\\n  mbox_controller_unregister\\n  __devm_mbox_controller_unregister\\n  ...\\n\\nThe root cause can be deduced to be calling pm_runtime_get_sync() after\\ncalling pm_runtime_disable() as observed below:\\n1. CMDQ driver uses devm_mbox_controller_register() in cmdq_probe()\\n   to bind the cmdq device to the mbox_controller, so\\n   devm_mbox_controller_unregister() will automatically unregister\\n   the device bound to the mailbox controller when the device-managed\\n   resource is removed. That means devm_mbox_controller_unregister()\\n   and cmdq_mbox_shoutdown() will be called after cmdq_remove().\\n2. CMDQ driver also uses devm_pm_runtime_enable() in cmdq_probe() after\\n   devm_mbox_controller_register(), so that devm_pm_runtime_disable()\\n   will be called after cmdq_remove(), but before\\n   devm_mbox_controller_unregister().\\n\\nTo fix this problem, cmdq_probe() needs to move\\ndevm_mbox_controller_register() after devm_pm_runtime_enable() to make\\ndevm_pm_runtime_disable() be called after\\ndevm_mbox_controller_unregister().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.64\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.3\", \"versionStartIncluding\": \"4.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"4.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:26:40.471Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-42319\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:26:40.471Z\", \"dateReserved\": \"2024-07-30T07:40:12.278Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-08-17T09:09:31.867Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.