ghsa-3vhc-4mgh-2vvp
Vulnerability from github
Published
2025-02-27 03:34
Modified
2025-03-13 15:32
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:

arp: use RCU protection in arp_xmit()

arp_xmit() can be called without RTNL or RCU protection.

Use RCU protection to avoid potential UAF.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21762"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-27T03:15:16Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\narp: use RCU protection in arp_xmit()\n\narp_xmit() can be called without RTNL or RCU protection.\n\nUse RCU protection to avoid potential UAF.",
  "id": "GHSA-3vhc-4mgh-2vvp",
  "modified": "2025-03-13T15:32:51Z",
  "published": "2025-02-27T03:34:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21762"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/10f555e3f573d004ae9d89b3276abb58c4ede5c3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c331718d3389b6c5f6855078ab7171849e016bd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/307cd1e2d3cb1cbc6c40c679cada6d7168b18431"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a42b69f692165ec39db42d595f4f65a4c8f42e44"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d9366ac2f956a1948b68c0500f84a3462ff2ed8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9f4dee534eb1b225b0a120395ad9bc2afe164d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f189654459423d4d48bef2d120b4bfba559e6039"
    }
  ],
  "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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