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GHSA-H6P5-H73R-MPJH

Vulnerability from github – Published: 2024-12-27 15:31 – Updated: 2025-11-03 21:31
VLAI
Details

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

can: dev: can_set_termination(): allow sleeping GPIOs

In commit 6e86a1543c37 ("can: dev: provide optional GPIO based termination support") GPIO based termination support was added.

For no particular reason that patch uses gpiod_set_value() to set the GPIO. This leads to the following warning, if the systems uses a sleeping GPIO, i.e. behind an I2C port expander:

| WARNING: CPU: 0 PID: 379 at /drivers/gpio/gpiolib.c:3496 gpiod_set_value+0x50/0x6c | CPU: 0 UID: 0 PID: 379 Comm: ip Not tainted 6.11.0-20241016-1 #1 823affae360cc91126e4d316d7a614a8bf86236c

Replace gpiod_set_value() by gpiod_set_value_cansleep() to allow the use of sleeping GPIOs.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2024-56625"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-27T15:15:22Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: dev: can_set_termination(): allow sleeping GPIOs\n\nIn commit 6e86a1543c37 (\"can: dev: provide optional GPIO based\ntermination support\") GPIO based termination support was added.\n\nFor no particular reason that patch uses gpiod_set_value() to set the\nGPIO. This leads to the following warning, if the systems uses a\nsleeping GPIO, i.e. behind an I2C port expander:\n\n| WARNING: CPU: 0 PID: 379 at /drivers/gpio/gpiolib.c:3496 gpiod_set_value+0x50/0x6c\n| CPU: 0 UID: 0 PID: 379 Comm: ip Not tainted 6.11.0-20241016-1 #1 823affae360cc91126e4d316d7a614a8bf86236c\n\nReplace gpiod_set_value() by gpiod_set_value_cansleep() to allow the\nuse of sleeping GPIOs.",
  "id": "GHSA-h6p5-h73r-mpjh",
  "modified": "2025-11-03T21:31:56Z",
  "published": "2024-12-27T15:31:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-56625"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1ac442f25c19953d2f33b92549628b0aeac83db6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b0c5bb437d31a9864f633b85cbc42d2f6c51c96"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46637a608fb1ee871a0ad8bf70d917d5d95ac251"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ee1dfbdd8b4b6de85e96ae2059dc9c1bdb6b49b5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/faa0a1975a6fbce30616775216606eb8d6388ea1"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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