{
  "cveId": "CVE-2024-42319",
  "url": "https://patchblox.com/security/cve/CVE-2024-42319",
  "summary": "CVE-2024-42319 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2024-42319, released August 17, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  mailbox: mtk-cmdq: Move devm_mbox_controller_reg...",
  "description": "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() \u003C 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().",
  "published": "2024-08-17T09:15:11Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00209,
  "epssPercentile": 0.11057,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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      "released": "2024-09-23T08:29:55Z"
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  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}