ghsa-3g8c-3p92-rjwr
Vulnerability from github
Published
2025-08-19 18:31
Modified
2025-08-19 18:31
Details

In the Linux kernel, the following vulnerability has been resolved:

ipv6: fix possible infinite loop in fib6_info_uses_dev()

fib6_info_uses_dev() seems to rely on RCU without an explicit protection.

Like the prior fix in rt6_nlmsg_size(), we need to make sure fib6_del_route() or fib6_add_rt2node() have not removed the anchor from the list, or we risk an infinite loop.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38587"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-08-19T17:15:36Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible infinite loop in fib6_info_uses_dev()\n\nfib6_info_uses_dev() seems to rely on RCU without an explicit\nprotection.\n\nLike the prior fix in rt6_nlmsg_size(),\nwe need to make sure fib6_del_route() or fib6_add_rt2node()\nhave not removed the anchor from the list, or we risk an infinite loop.",
  "id": "GHSA-3g8c-3p92-rjwr",
  "modified": "2025-08-19T18:31:33Z",
  "published": "2025-08-19T18:31:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38587"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/16d21816c0918f8058b5fc14cbe8595d62046e2d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9cb6de8ee144a94ae7a40bdb32560329ab7276f0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bc85e62394f008fa848c4ba02c936c735a3e8ef5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db65739d406c72776fbdbbc334be827ef05880d2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e09be457b71b983a085312ff9e981f51e4ed3211"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f8d8ce1b515a0a6af72b30502670a406cfb75073"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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