GHSA-6J54-46HM-VQ8V

Vulnerability from github – Published: 2026-05-08 15:31 – Updated: 2026-05-11 09:30
VLAI
Details

In the Linux kernel, the following vulnerability has been resolved:

thermal: core: Fix thermal zone device registration error path

If thermal_zone_device_register_with_trips() fails after registering a thermal zone device, it needs to wait for the tz->removal completion like thermal_zone_device_unregister(), in case user space has managed to take a reference to the thermal zone device's kobject, in which case thermal_release() may not be called by the error path itself and tz may be freed prematurely.

Add the missing wait_for_completion() call to the thermal zone device registration error path.

Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-43332"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-08T14:16:42Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: core: Fix thermal zone device registration error path\n\nIf thermal_zone_device_register_with_trips() fails after registering\na thermal zone device, it needs to wait for the tz-\u003eremoval completion\nlike thermal_zone_device_unregister(), in case user space has managed\nto take a reference to the thermal zone device\u0027s kobject, in which case\nthermal_release() may not be called by the error path itself and tz may\nbe freed prematurely.\n\nAdd the missing wait_for_completion() call to the thermal zone device\nregistration error path.",
  "id": "GHSA-6j54-46hm-vq8v",
  "modified": "2026-05-11T09:30:30Z",
  "published": "2026-05-08T15:31:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43332"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d390f0e507dfb16d58f83a58d78d1150dc8b9d7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/604da9c04c218362e1c1457304ebeb9c199d537c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e07e3b81807edd356e1f794cffa00a428eff443"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e796001af97a1f7368d5114b7a8533dd98d797a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4c7219e93319bba9ba0765dee597784c78f63c5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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