ghsa-g4vc-rr66-6355
Vulnerability from github
Published
2024-12-27 15:31
Modified
2025-11-03 21:31
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 Out-of-Bounds Write in ksmbd_vfs_stream_write

An offset from client could be a negative value, It could allows to write data outside the bounds of the allocated buffer. Note that this issue is coming when setting 'vfs objects = streams_xattr parameter' in ksmbd.conf.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-56626"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-27T15:15:22Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write\n\nAn offset from client could be a negative value, It could allows\nto write data outside the bounds of the allocated buffer.\nNote that this issue is coming when setting\n\u0027vfs objects = streams_xattr parameter\u0027 in ksmbd.conf.",
  "id": "GHSA-g4vc-rr66-6355",
  "modified": "2025-11-03T21:31:56Z",
  "published": "2024-12-27T15:31:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-56626"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/164d3597d26d9acff5d5b8bc3208bdcca942dd6a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1aea5c9470be2c7129704fb1b9562b1e3e0576f8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/313dab082289e460391c82d855430ec8a28ddf81"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8cd7490fc0f268883e86e840cda5311257af69ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c5797f195c67132d061d29c57a7c6d30530686f0"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
    }
  ],
  "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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