CVE-2025-21918 (GCVE-0-2025-21918)
Vulnerability from cvelistv5
Published
2025-04-01 15:40
Modified
2025-05-04 07:24
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix NULL pointer access Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them.
References
Impacted products
Vendor Product Version
Linux Linux Version: b9aa02ca39a49740926c2c450a1505a4a0f8954a
Version: b9aa02ca39a49740926c2c450a1505a4a0f8954a
Version: b9aa02ca39a49740926c2c450a1505a4a0f8954a
Version: b9aa02ca39a49740926c2c450a1505a4a0f8954a
Version: b9aa02ca39a49740926c2c450a1505a4a0f8954a
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{
  "containers": {
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/usb/typec/ucsi/ucsi.c"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: Fix NULL pointer access\n\nResources should be released only after all threads that utilize them\nhave been destroyed.\nThis commit ensures that resources are not released prematurely by waiting\nfor the associated workqueue to complete before deallocating them."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:24:32.290Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "usb: typec: ucsi: Fix NULL pointer access",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21918",
    "datePublished": "2025-04-01T15:40:53.561Z",
    "dateReserved": "2024-12-29T08:45:45.787Z",
    "dateUpdated": "2025-05-04T07:24:32.290Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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