CVE-2025-39720 (GCVE-0-2025-39720)
Vulnerability from cvelistv5
Published
2025-09-05 17:21
Modified
2025-09-29 05:58
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix refcount leak causing resource not released When ksmbd_conn_releasing(opinfo->conn) returns true,the refcount was not decremented properly, causing a refcount leak that prevents the count from reaching zero and the memory from being released.
Impacted products
Vendor Product Version
Linux Linux Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
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Show details on NVD website


{
  "containers": {
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      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/oplock.c"
          ],
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          "vendor": "Linux",
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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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              "status": "affected",
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "lessThanOrEqual": "6.6.*",
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              "version": "6.6.103",
              "versionType": "semver"
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              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix refcount leak causing resource not released\n\nWhen ksmbd_conn_releasing(opinfo-\u003econn) returns true,the refcount was not\ndecremented properly, causing a refcount leak that prevents the count from\nreaching zero and the memory from being released."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-09-29T05:58:06.752Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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        },
        {
          "url": "https://git.kernel.org/stable/c/89bb430f621124af39bb31763c4a8b504c9651e2"
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      ],
      "title": "ksmbd: fix refcount leak causing resource not released",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39720",
    "datePublished": "2025-09-05T17:21:28.060Z",
    "dateReserved": "2025-04-16T07:20:57.117Z",
    "dateUpdated": "2025-09-29T05:58:06.752Z",
    "state": "PUBLISHED"
  },
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  "vulnerability-lookup:meta": {
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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