ghsa-j8mq-pfgm-36r2
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:

ndisc: use RCU protection in ndisc_alloc_skb()

ndisc_alloc_skb() can be called without RTNL or RCU being held.

Add RCU protection to avoid possible UAF.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21764"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-27T03:15:17Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nndisc: use RCU protection in ndisc_alloc_skb()\n\nndisc_alloc_skb() can be called without RTNL or RCU being held.\n\nAdd RCU protection to avoid possible UAF.",
  "id": "GHSA-j8mq-pfgm-36r2",
  "modified": "2025-03-13T15:32:51Z",
  "published": "2025-02-27T03:34:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21764"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c2d705f5adf5d860aaef90cb4211c0fde2ba66d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/96fc896d0e5b37c12808df797397fb16f3080879"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b870256dd2a5648d5ed2f22316b3ac29a7e5ed63"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926"
    }
  ],
  "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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