ghsa-798h-hm78-q979
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:

neighbour: use RCU protection in __neigh_notify()

__neigh_notify() 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-2025-21763"
  ],
  "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\nneighbour: use RCU protection in __neigh_notify()\n\n__neigh_notify() can be called without RTNL or RCU protection.\n\nUse RCU protection to avoid potential UAF.",
  "id": "GHSA-798h-hm78-q979",
  "modified": "2025-03-13T15:32:51Z",
  "published": "2025-02-27T03:34:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21763"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1cbb2aa90cd3fba15ad7efb5cdda28f3d1082379"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/40d8f2f2a373b6c294ffac394d2bb814b572ead1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/559307d25235e24b5424778c7332451b6c741159"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/784eb2376270e086f7db136d154b8404edacf97b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8666e9aab801328c1408a19fbf4070609dc0695a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/becbd5850c03ed33b232083dd66c6e38c0c0e569"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cdd5c2a12ddad8a77ce1838ff9f29aa587de82df"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e1aed6be381bcd7f46d4ca9d7ef0f5f3d6a1be32"
    }
  ],
  "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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