github - ghsa-p63w-3x2m-q62g

ghsa-p63w-3x2m-q62g

Vulnerability from github

Published

2025-09-05 18:31

Modified

2025-09-05 18:31

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39720"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-05T18:15:49Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-p63w-3x2m-q62g",
  "modified": "2025-09-05T18:31:27Z",
  "published": "2025-09-05T18:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39720"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36e010bb865fbaa1202fe9bcce3fd486d6db7606"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/89bb430f621124af39bb31763c4a8b504c9651e2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a7abce6e8c0e2145b346a6d4abf0d9655e9b0e8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a1d2bab4d53368a526c97aba92671dd71814f95a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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.

References

URL

Tags

	https://git.kernel.org/stable/c/a1d2bab4d53368a526c97aba92671dd71814f95a
	https://git.kernel.org/stable/c/36e010bb865fbaa1202fe9bcce3fd486d6db7606
	https://git.kernel.org/stable/c/9a7abce6e8c0e2145b346a6d4abf0d9655e9b0e8
	https://git.kernel.org/stable/c/89bb430f621124af39bb31763c4a8b504c9651e2

Impacted products

Vendor

Product

Version

Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf
Version: 0626e6641f6b467447c81dd7678a69c66f7746cf

Version: 5.15

Show details on NVD website

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/server/oplock.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a1d2bab4d53368a526c97aba92671dd71814f95a",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
            {
              "lessThan": "36e010bb865fbaa1202fe9bcce3fd486d6db7606",
              "status": "affected",
              "version": "0626e6641f6b467447c81dd7678a69c66f7746cf",
              "versionType": "git"
            },
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "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",
              "version": "5.15"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.6.103",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.12.44",
              "versionType": "semver"
            },
            {
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.103",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionEndExcluding": "6.17",
                  "versionStartIncluding": "5.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-29T05:58:06.752Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
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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",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "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"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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