ghsa-p3jf-39f4-gqr8
Vulnerability from github
Published
2025-04-01 18:30
Modified
2025-04-14 15:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

ksmbd: fix use-after-free in ksmbd_free_work_struct

->interim_entry of ksmbd_work could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock break wait is needed.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21967"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-01T16:15:27Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in ksmbd_free_work_struct\n\n-\u003einterim_entry of ksmbd_work could be deleted after oplock is freed.\nWe don\u0027t need to manage it with linked list. The interim request could be\nimmediately sent whenever a oplock break wait is needed.",
  "id": "GHSA-p3jf-39f4-gqr8",
  "modified": "2025-04-14T15:31:54Z",
  "published": "2025-04-01T18:30:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21967"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/62746ae3f5414244a96293e3b017be637b641280"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bb39ed47065455604729404729d9116868638d31"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eb51f6f59d19b92f6fe84d3873f958495ab32f0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb776765bfc21d5e4ed03bb3d4406c2b86ff1ac3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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