ghsa-94p2-m4qf-5m97
Vulnerability from github
Published
2024-10-21 18:30
Modified
2024-10-28 18:31
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: add refcnt to ksmbd_conn struct

When sending an oplock break request, opinfo->conn is used, But freed ->conn can be used on multichannel. This patch add a reference count to the ksmbd_conn struct so that it can be freed when it is no longer used.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-49988"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-10-21T18:15:19Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: add refcnt to ksmbd_conn struct\n\nWhen sending an oplock break request, opinfo-\u003econn is used,\nBut freed -\u003econn can be used on multichannel.\nThis patch add a reference count to the ksmbd_conn struct\nso that it can be freed when it is no longer used.",
  "id": "GHSA-94p2-m4qf-5m97",
  "modified": "2024-10-28T18:31:39Z",
  "published": "2024-10-21T18:30:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-49988"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/18f06bacc197d4ac9b518ad1c69999bc3d83e7aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9fd3cde4628bcd3549ab95061f2bab74d2ed4f3b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9dac92f4482a382e8c0fe1bc243da5fc3526b0c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ee426bfb9d09b29987369b897fe9b6485ac2be27"
    }
  ],
  "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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