ghsa-whmg-cwg5-87xp
Vulnerability from github
Published
2024-07-12 15:31
Modified
2025-11-04 00:30
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:

net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state

Pass the already obtained vlan group pointer to br_mst_vlan_set_state() instead of dereferencing it again. Each caller has already correctly dereferenced it for their context. This change is required for the following suspicious RCU dereference fix. No functional changes intended.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-40921"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-12T13:15:15Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bridge: mst: pass vlan group directly to br_mst_vlan_set_state\n\nPass the already obtained vlan group pointer to br_mst_vlan_set_state()\ninstead of dereferencing it again. Each caller has already correctly\ndereferenced it for their context. This change is required for the\nfollowing suspicious RCU dereference fix. No functional changes\nintended.",
  "id": "GHSA-whmg-cwg5-87xp",
  "modified": "2025-11-04T00:30:53Z",
  "published": "2024-07-12T15:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-40921"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/09f4337c27f5bdeb8646a6db91488cc2f7d537ff"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36c92936e868601fa1f43da6758cf55805043509"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a6cc9e9a651b9861efa068c164ee62dfba68c6ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d2dc02775fc0c4eacaee833a0637e5958884a8e5"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "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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