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platform/x86: lg-laptop: Fix LED resource handling

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: platform/x86: lg-laptop: Fix LED resource handling The event notification callback might access kbd_backlight even when it was not successfully registered with the LED subsystem. The same happens inside acpi_remove(), where the LED devices are unregistered unconditionally. Fix this by tracking the availability of the kbd_backlight LED device and use devm_led_classdev_register() to let devres take care of unregistering the LED devices during removal. For this the parent device of the LED devices is changed to the native platform device.

Products
Kernel
Affected versions
Not specified
Fixed versions
6.1.191, 6.12.110, 6.18.52, 6.6.160, 7.2.6
CVEs
CVE-2026-93128
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 10:26 UTC · Revision 1

Source evidence

platform/x86: lg-laptop: Fix LED resource handling

core-osv · Original source

Published 17 Sept 2026, 16:11 UTC

In the Linux kernel, the following vulnerability has been resolved: platform/x86: lg-laptop: Fix LED resource handling The event notification callback might access kbd_backlight even when it was not successfully registered with the LED subsystem. The same happens inside acpi_remove(), where the LED devices are unregistered unconditionally. Fix this by tracking the availability of the kbd_backlight LED device and use devm_led_classdev_register() to let devres take care of unregistering the LED devices during removal. For this the parent device of the LED devices is changed to the native platform device.

osv:CVE-2026-93128

Kernel

Fixed versions: 6.1.191, 6.6.160, 6.12.110, 6.18.52, 7.2.6

Complete source record
{
  "id": "7d32f5d9cb346a0843855a27eeaa2b77fa3498710d8706dacb6baef52bf0f2c9",
  "url": "https://osv.dev/vulnerability/CVE-2026-93128",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "platform/x86: lg-laptop: Fix LED resource handling",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: platform/x86: lg-laptop: Fix LED resource handling The event notification callback might access kbd_backlight even when it was not successfully registered with the LED subsystem. The same happens inside acpi_remove(), where the LED devices are unregistered unconditionally. Fix this by tracking the availability of the kbd_backlight LED device and use devm_led_classdev_register() to let devres take care of unregistering the LED devices during removal. For this the parent device of the LED devices is changed to the native platform device.",
    "evidence": "osv:CVE-2026-93128",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.191",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.160",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.110",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.52",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.2.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-93128",
      "aliases": [
        "CVE-2026-93128"
      ],
      "affected": [
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          "ranges": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "events": [
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                },
                {
                  "fixed": "4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd"
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                {
                  "fixed": "9a85e2d35e54248aca39bad4f4152ed34de1995f"
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              ]
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          ],
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        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.15.0"
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                  "fixed": "6.1.191"
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              ]
            },
            {
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              "events": [
                {
                  "introduced": "6.2.0"
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                {
                  "fixed": "6.6.160"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
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                {
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.2.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93128.json"
          }
        }
      ],
      "modified": "2026-11-01T02:30:28.322748564Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3e91964aa74ab261aa15d9d96318eded2fd9d22a",
        "https://git.kernel.org/stable/c/4f9f1448dac4927ce5160f3a4a295e08fb969d32",
        "https://git.kernel.org/stable/c/4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd",
        "https://git.kernel.org/stable/c/9a85e2d35e54248aca39bad4f4152ed34de1995f",
        "https://git.kernel.org/stable/c/acc190322250562d5f28860f4ae1ebaf3e304fc2",
        "https://git.kernel.org/stable/c/fc45f6e4b86c2fa1cf742c23a373d777d066aa25",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93128.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-93128",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93128.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-93128",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 494506,
  "published_at": "2026-09-17T16:11:31.933+00:00"
}