github - ghsa-7645-fj87-x9w4

ghsa-7645-fj87-x9w4

Vulnerability from github

Published

2025-12-07 00:30

Modified

2025-12-07 00:30

Details

In the Linux kernel, the following vulnerability has been resolved:

smb/server: fix possible refcount leak in smb2_sess_setup()

Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put().

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40285"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-06T22:15:56Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix possible refcount leak in smb2_sess_setup()\n\nReference count of ksmbd_session will leak when session need reconnect.\nFix this by adding the missing ksmbd_user_session_put().",
  "id": "GHSA-7645-fj87-x9w4",
  "modified": "2025-12-07T00:30:56Z",
  "published": "2025-12-07T00:30:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40285"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/379510a815cb2e64eb0a379cb62295d6ade65df0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fc935f798d44a8eb8a5e6659198399fbf57b981"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d37b2c81c83d6c0d5ca582f4fe73c672983f9e0d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dcc51dfe6ff26b52cac106865a172ac982d78401"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e671f9bb97805771380c98de944e2ceab6949188"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2025-40285 (GCVE-0-2025-40285)

Vulnerability from cvelistv5

Published

2025-12-06 21:51

Modified

2025-12-06 21:51

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible refcount leak in smb2_sess_setup() Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put().

References

URL

Tags

	https://git.kernel.org/stable/c/6fc935f798d44a8eb8a5e6659198399fbf57b981
	https://git.kernel.org/stable/c/e671f9bb97805771380c98de944e2ceab6949188
	https://git.kernel.org/stable/c/dcc51dfe6ff26b52cac106865a172ac982d78401
	https://git.kernel.org/stable/c/d37b2c81c83d6c0d5ca582f4fe73c672983f9e0d
	https://git.kernel.org/stable/c/379510a815cb2e64eb0a379cb62295d6ade65df0

Impacted products

Vendor

Product

Version

Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Show details on NVD website

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{
  "containers": {
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        {
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          "programFiles": [
            "fs/smb/server/smb2pdu.c"
          ],
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          ]
        },
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          ],
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          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
              "version": "6.12.59",
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            {
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              "status": "unaffected",
              "version": "6.17.9",
              "versionType": "semver"
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      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "versionEndExcluding": "6.1.159",
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                },
                {
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                  "vulnerable": true
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              "negate": false,
              "operator": "OR"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: fix possible refcount leak in smb2_sess_setup()\n\nReference count of ksmbd_session will leak when session need reconnect.\nFix this by adding the missing ksmbd_user_session_put()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-06T21:51:09.590Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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    "datePublished": "2025-12-06T21:51:09.590Z",
    "dateReserved": "2025-04-16T07:20:57.184Z",
    "dateUpdated": "2025-12-06T21:51:09.590Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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