Vulnerability-Lookup

CVE-2026-64492 (GCVE-0-2026-64492)

Vulnerability from cvelistv5 – Published: 2026-07-25 08:51 – Updated: 2026-07-25 08:51

Title

iio: temperature: tmp006: use devm_iio_trigger_register

Summary

In the Linux kernel, the following vulnerability has been resolved: iio: temperature: tmp006: use devm_iio_trigger_register tmp006_probe() allocates the DRDY trigger with devm_iio_trigger_alloc() but registers it with plain iio_trigger_register(). The driver has no .remove() callback, so on module unload the trigger stays in the global trigger list while its memory is freed by devm, leaving a dangling entry. Switch to devm_iio_trigger_register() so the registration is undone in the same devm scope as the allocation.

Severity

No CVSS data available.

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/a4f8491da9563ba6e…
https://git.kernel.org/stable/c/d90f868f56a16e10e…
https://git.kernel.org/stable/c/3c5eed894efd93d68…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 91f75ccf9f032e17cde54f0c01eae2da4f067bc5 , < a4f8491da9563ba6eb77969ac26fc7052114c476 (git) Affected: 91f75ccf9f032e17cde54f0c01eae2da4f067bc5 , < d90f868f56a16e10eedc6552f48d99dff4d275b7 (git) Affected: 91f75ccf9f032e17cde54f0c01eae2da4f067bc5 , < 3c5eed894efd93d68d7f6a359a81ddef0e928774 (git)
Linux	Linux	Affected: 6.13 Unaffected: 0 , < 6.13 (semver) Unaffected: 6.18.39 , ≤ 6.18.* (semver) Unaffected: 7.1.4 , ≤ 7.1.* (semver) Unaffected: 7.2-rc1 , ≤ * (original_commit_for_fix)

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              "version": "7.1.4",
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: temperature: tmp006: use devm_iio_trigger_register\n\ntmp006_probe() allocates the DRDY trigger with devm_iio_trigger_alloc()\nbut registers it with plain iio_trigger_register(). The driver has no\n.remove() callback, so on module unload the trigger stays in the global\ntrigger list while its memory is freed by devm, leaving a dangling\nentry.\n\nSwitch to devm_iio_trigger_register() so the registration is undone in\nthe same devm scope as the allocation."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-25T08:51:50.313Z",
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    "dateReserved": "2026-07-19T15:36:31.792Z",
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    "suse_vex": {
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      "cve": "CVE-2026-64492",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-64492",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-64492.json",
      "version": "2"
    }
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}

GHSA-FG54-GXF9-GVMV

Vulnerability from github – Published: 2026-07-25 12:31 – Updated: 2026-07-25 12:31

Details

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

iio: temperature: tmp006: use devm_iio_trigger_register

tmp006_probe() allocates the DRDY trigger with devm_iio_trigger_alloc() but registers it with plain iio_trigger_register(). The driver has no .remove() callback, so on module unload the trigger stays in the global trigger list while its memory is freed by devm, leaving a dangling entry.

Switch to devm_iio_trigger_register() so the registration is undone in the same devm scope as the allocation.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-64492"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-25T10:17:35Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: temperature: tmp006: use devm_iio_trigger_register\n\ntmp006_probe() allocates the DRDY trigger with devm_iio_trigger_alloc()\nbut registers it with plain iio_trigger_register(). The driver has no\n.remove() callback, so on module unload the trigger stays in the global\ntrigger list while its memory is freed by devm, leaving a dangling\nentry.\n\nSwitch to devm_iio_trigger_register() so the registration is undone in\nthe same devm scope as the allocation.",
  "id": "GHSA-fg54-gxf9-gvmv",
  "modified": "2026-07-25T12:31:37Z",
  "published": "2026-07-25T12:31:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64492"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c5eed894efd93d68d7f6a359a81ddef0e928774"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a4f8491da9563ba6eb77969ac26fc7052114c476"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d90f868f56a16e10eedc6552f48d99dff4d275b7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-64492 (GCVE-0-2026-64492)

GHSA-FG54-GXF9-GVMV

Tags

Sightings

Nomenclature