ghsa-rg54-mxfq-r39j
Vulnerability from github
Published
2025-10-30 12:31
Modified
2025-10-30 12:31
Details

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

smb: client: Fix refcount leak for cifs_sb_tlink

Fix three refcount inconsistency issues related to cifs_sb_tlink.

Comments for cifs_sb_tlink state that cifs_put_tlink() needs to be called after successful calls to cifs_sb_tlink(). Three calls fail to update refcount accordingly, leading to possible resource leaks.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40103"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-30T10:15:34Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Fix refcount leak for cifs_sb_tlink\n\nFix three refcount inconsistency issues related to `cifs_sb_tlink`.\n\nComments for `cifs_sb_tlink` state that `cifs_put_tlink()` needs to be\ncalled after successful calls to `cifs_sb_tlink()`. Three calls fail to\nupdate refcount accordingly, leading to possible resource leaks.",
  "id": "GHSA-rg54-mxfq-r39j",
  "modified": "2025-10-30T12:31:11Z",
  "published": "2025-10-30T12:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40103"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/790282abe9d805f08618c1c24ea2529e7259b692"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/896bb31e1416f582503db1350cf1bd10dc64e5a6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c2b77f42205ef485a647f62082c442c1cd69d3fc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d7dd034c14928306db1b46be277ae439b84dacf9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e15605b68b490186da2ad8029c0351a9cfb0b9af"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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