ghsa-h35m-jp6f-245x
Vulnerability from github
Published
2025-05-20 18:30
Modified
2025-08-28 15:30
Details

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

sch_htb: make htb_qlen_notify() idempotent

htb_qlen_notify() always deactivates the HTB class and in fact could trigger a warning if it is already deactivated. Therefore, it is not idempotent and not friendly to its callers, like fq_codel_dequeue().

Let's make it idempotent to ease qdisc_tree_reduce_backlog() callers' life.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-37932"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-20T16:15:29Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsch_htb: make htb_qlen_notify() idempotent\n\nhtb_qlen_notify() always deactivates the HTB class and in fact could\ntrigger a warning if it is already deactivated. Therefore, it is not\nidempotent and not friendly to its callers, like fq_codel_dequeue().\n\nLet\u0027s make it idempotent to ease qdisc_tree_reduce_backlog() callers\u0027\nlife.",
  "id": "GHSA-h35m-jp6f-245x",
  "modified": "2025-08-28T15:30:34Z",
  "published": "2025-05-20T18:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37932"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0a188c0e197383683fd093ab1ea6ce9a5869a6ea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/32ae12ce6a9f6bace186ca7335220ff59b6cc3cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5ba8b837b522d7051ef81bacf3d95383ff8edce5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/73cf6af13153d62f9b76eff422eea79dbc70f15e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/967955c9e57f8eebfccc298037d4aaf3d42bc1c9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a61f1b5921761fbaf166231418bc1db301e5bf59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bbbf5e0f87078b715e7a665d662a2c0e77f044ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6b45f4de763b00dc1c55e685e2dd1aaf525d3c1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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