github - ghsa-593m-cjxc-9623

ghsa-593m-cjxc-9623

Vulnerability from github

Published

2025-09-18 15:30

Modified

2025-09-18 15:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-53381"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-18T14:15:41Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-593m-cjxc-9623",
  "modified": "2025-09-18T15:30:34Z",
  "published": "2025-09-18T15:30:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53381"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

▼	URL	Tags
	https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417
	https://git.kernel.org/stable/c/80a15dc4a0214b55ca42675bb0bb2a8d857eb1d0
	https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105
	https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9
	https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b

Impacted products

Vendor

Product

Version

▼

Linux

Version: a4bc287943f5695209ff36bdc89f17b48d68fae7
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b
Version: f4e44b393389c77958f7c58bf4415032b4cda15b

Linux

Version: 5.14

Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfsd/nfs4proc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "2da50149981d05955e51c28e982e9ac29bd73417",
              "status": "affected",
              "version": "a4bc287943f5695209ff36bdc89f17b48d68fae7",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "f4e44b393389c77958f7c58bf4415032b4cda15b",
              "versionType": "git"
            },
            {
              "lessThan": "9f0df37520a27ad99eaacf38418b3d2bb5023105",
              "status": "affected",
              "version": "f4e44b393389c77958f7c58bf4415032b4cda15b",
              "versionType": "git"
            },
            {
              "lessThan": "6c3c05402547aaca3edb23327b50f01a881831b9",
              "status": "affected",
              "version": "f4e44b393389c77958f7c58bf4415032b4cda15b",
              "versionType": "git"
            },
            {
              "lessThan": "34e8f9ec4c9ac235f917747b23a200a5e0ec857b",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/nfsd/nfs4proc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.154",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.154",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.16",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.3",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-18T13:33:26.234Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/2da50149981d05955e51c28e982e9ac29bd73417"
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        },
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          "url": "https://git.kernel.org/stable/c/9f0df37520a27ad99eaacf38418b3d2bb5023105"
        },
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          "url": "https://git.kernel.org/stable/c/6c3c05402547aaca3edb23327b50f01a881831b9"
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        {
          "url": "https://git.kernel.org/stable/c/34e8f9ec4c9ac235f917747b23a200a5e0ec857b"
        }
      ],
      "title": "NFSD: fix leaked reference count of nfsd4_ssc_umount_item",
      "x_generator": {
        "engine": "bippy-1.2.0"
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  "cveMetadata": {
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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": "2025-09-18T13:33:26.234Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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