CVE-2023-53381 (GCVE-0-2023-53381)
Vulnerability from cvelistv5
Published
2025-09-18 13:33
Modified
2026-05-11 19:43
Summary
In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4_ssc_umount_item The reference count of nfsd4_ssc_umount_item is not decremented on error conditions. This prevents the laundromat from unmounting the vfsmount of the source file. This patch decrements the reference count of nfsd4_ssc_umount_item on error.
Impacted products
Vendor Product Version
Linux Linux Version: a4bc287943f5695209ff36bdc89f17b48d68fae7
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
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              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: fix leaked reference count of nfsd4_ssc_umount_item\n\nThe reference count of nfsd4_ssc_umount_item is not decremented\non error conditions. This prevents the laundromat from unmounting\nthe vfsmount of the source file.\n\nThis patch decrements the reference count of nfsd4_ssc_umount_item\non error."
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      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:43:50.945Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417"
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          "url": "https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53381",
    "datePublished": "2025-09-18T13:33:26.234Z",
    "dateReserved": "2025-09-17T14:54:09.736Z",
    "dateUpdated": "2026-05-11T19:43:50.945Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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