CVE-2026-43138 (GCVE-0-2026-43138)
Vulnerability from cvelistv5
Published
2026-05-06 11:27
Modified
2026-05-11 22:18
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: reset: gpio: suppress bind attributes in sysfs This is a special device that's created dynamically and is supposed to stay in memory forever. We also currently don't have a devlink between it and the actual reset consumer. Suppress sysfs bind attributes so that user-space can't unbind the device because - as of now - it will cause a use-after-free splat from any user that puts the reset control handle.
References
Impacted products
Vendor Product Version
Linux Linux Version: cee544a40e4426040946e685988b1489f13e6600
Version: cee544a40e4426040946e685988b1489f13e6600
Version: cee544a40e4426040946e685988b1489f13e6600
Version: cee544a40e4426040946e685988b1489f13e6600
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/reset/reset-gpio.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "version": "6.9"
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              "version": "0",
              "versionType": "semver"
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      ],
      "cpeApplicability": [
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                },
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nreset: gpio: suppress bind attributes in sysfs\n\nThis is a special device that\u0027s created dynamically and is supposed to\nstay in memory forever. We also currently don\u0027t have a devlink between\nit and the actual reset consumer. Suppress sysfs bind attributes so that\nuser-space can\u0027t unbind the device because - as of now - it will cause a\nuse-after-free splat from any user that puts the reset control handle."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:18:29.633Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/09d6efc6abd42809956d598906c222ccd1c8ae92"
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          "url": "https://git.kernel.org/stable/c/76801c3dfca0ac6339a23e9615b5f23e25b8644c"
        },
        {
          "url": "https://git.kernel.org/stable/c/1d7d869f074f98c34fe23f6a56e5f3acc1f95a2b"
        },
        {
          "url": "https://git.kernel.org/stable/c/16de4c6a8fe9ff497ca1aba33ef0dbee09f11952"
        }
      ],
      "title": "reset: gpio: suppress bind attributes in sysfs",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43138",
    "datePublished": "2026-05-06T11:27:24.232Z",
    "dateReserved": "2026-05-01T14:12:55.988Z",
    "dateUpdated": "2026-05-11T22:18:29.633Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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