CVE-2026-31745 (GCVE-0-2026-31745)

Vulnerability from cvelistv5 – Published: 2026-05-01 14:14 – Updated: 2026-05-01 14:14
VLAI?
Title
reset: gpio: fix double free in reset_add_gpio_aux_device() error path
Summary
In the Linux kernel, the following vulnerability has been resolved: reset: gpio: fix double free in reset_add_gpio_aux_device() error path When __auxiliary_device_add() fails, reset_add_gpio_aux_device() calls auxiliary_device_uninit(adev). The device release callback reset_gpio_aux_device_release() frees adev, but the current error path then calls kfree(adev) again, causing a double free. Keep kfree(adev) for the auxiliary_device_init() failure path, but avoid freeing adev after auxiliary_device_uninit().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8 , < 1de465753220deb41569cf2add87bbb0673731db (git)
Affected: 5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8 , < fbffb8c7c7bb4d38e9f65e0bee446685011de5d8 (git)
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    Linux Linux Affected: 6.19
Unaffected: 0 , < 6.19 (semver)
Unaffected: 6.19.12 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nreset: gpio: fix double free in reset_add_gpio_aux_device() error path\n\nWhen __auxiliary_device_add() fails, reset_add_gpio_aux_device()\ncalls auxiliary_device_uninit(adev).\n\nThe device release callback reset_gpio_aux_device_release() frees\nadev, but the current error path then calls kfree(adev) again,\ncausing a double free.\n\nKeep kfree(adev) for the auxiliary_device_init() failure path, but\navoid freeing adev after auxiliary_device_uninit()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-01T14:14:39.529Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/1de465753220deb41569cf2add87bbb0673731db"
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        {
          "url": "https://git.kernel.org/stable/c/fbffb8c7c7bb4d38e9f65e0bee446685011de5d8"
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      ],
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31745",
    "datePublished": "2026-05-01T14:14:39.529Z",
    "dateReserved": "2026-03-09T15:48:24.138Z",
    "dateUpdated": "2026-05-01T14:14:39.529Z",
    "state": "PUBLISHED"
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  }
}


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