CVE-2023-53381 (GCVE-0-2023-53381)
Vulnerability from cvelistv5
Published
2025-09-18 13:33
Modified
2025-09-18 13:33
Severity ?
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105
Impacted products
Vendor Product Version
Linux Linux Version: a4bc287943f5695209ff36bdc89f17b48d68fae7
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
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   Linux Linux Version: 5.14
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfsd/nfs4proc.c"
          ],
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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": "5.14"
            },
            {
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.154",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.16",
              "versionType": "semver"
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              "lessThanOrEqual": "6.2.*",
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              "version": "6.2.3",
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            }
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      ],
      "cpeApplicability": [
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          "nodes": [
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              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "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": "2025-09-18T13:33:26.234Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b"
        }
      ],
      "title": "NFSD: fix leaked reference count of nfsd4_ssc_umount_item",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53381",
    "datePublished": "2025-09-18T13:33:26.234Z",
    "dateReserved": "2025-09-17T14:54:09.736Z",
    "dateUpdated": "2025-09-18T13:33:26.234Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53381\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-18T14:15:41.077\",\"lastModified\":\"2025-09-19T16:00:27.847\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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