ghsa-2q2v-7x59-8w6v
Vulnerability from github
Published
2024-05-01 15:30
Modified
2024-06-27 12:30
Details

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

nfp: flower: handle acti_netdevs allocation failure

The kmalloc_array() in nfp_fl_lag_do_work() will return null, if the physical memory has run out. As a result, if we dereference the acti_netdevs, the null pointer dereference bugs will happen.

This patch adds a check to judge whether allocation failure occurs. If it happens, the delayed work will be rescheduled and try again.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-27046"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T13:15:49Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfp: flower: handle acti_netdevs allocation failure\n\nThe kmalloc_array() in nfp_fl_lag_do_work() will return null, if\nthe physical memory has run out. As a result, if we dereference\nthe acti_netdevs, the null pointer dereference bugs will happen.\n\nThis patch adds a check to judge whether allocation failure occurs.\nIf it happens, the delayed work will be rescheduled and try again.",
  "id": "GHSA-2q2v-7x59-8w6v",
  "modified": "2024-06-27T12:30:45Z",
  "published": "2024-05-01T15:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-27046"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0d387dc503f9a53e6d1f6e9dd0292d38f083eba5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b1e8a617eb0f4cdc19def530047a95b5abde07d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/408ba7fd04f959c61b50db79c983484312fea642"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84e95149bd341705f0eca6a7fcb955c548805002"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/928705e341010dd910fdece61ccb974f494a758f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d8eb1238377cd994829f9162ae396a84ae037b2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c8df9203bf22c66fa26e8d8c7f8ce181cf88099d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c9b4e220dd18f79507803f38a55d53b483f6c9c3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d746889db75a76aeee95fb705b8e1ac28c684a2e"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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