ghsa-5wjx-fx3x-22c6
Vulnerability from github
Published
2024-02-21 09:31
Modified
2024-12-12 18:30
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

ksmbd: validate session id and tree id in compound request

smb2_get_msg() in smb2_get_ksmbd_tcon() and smb2_check_user_session() will always return the first request smb2 header in a compound request. if SMB2_TREE_CONNECT_HE is the first command in compound request, will return 0, i.e. The tree id check is skipped. This patch use ksmbd_req_buf_next() to get current command in compound.

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{
  "affected": [],
  "aliases": [
    "CVE-2023-52442"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-02-21T08:15:45Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: validate session id and tree id in compound request\n\n`smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session()\nwill always return the first request smb2 header in a compound request.\nif `SMB2_TREE_CONNECT_HE` is the first command in compound request, will\nreturn 0, i.e. The tree id check is skipped.\nThis patch use ksmbd_req_buf_next() to get current command in compound.",
  "id": "GHSA-5wjx-fx3x-22c6",
  "modified": "2024-12-12T18:30:49Z",
  "published": "2024-02-21T09:31:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52442"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/017d85c94f02090a87f4a473dbe0d6ee0da72693"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3df0411e132ee74a87aa13142dfd2b190275332e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4c2b350b2e269e3fd17bbfa42de1b42775b777ac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/becb5191d1d5fdfca0198a2e37457bbbf4fe266f"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2024/03/18/2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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