GHSA-QH8G-7FVQ-CF33

Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-15 06:32
VLAI
Details

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

net: dsa: sja1105: round up PTP perout pin duration

pin_duration is converted from the user-provided period to SJA1105 clock ticks and is later passed as the cycle_time argument to future_base_time().

Very small period values may become zero after the conversion, which can lead to a division by zero in future_base_time().

Round zero pin_duration up to 1 tick so that the smallest unsupported periods use the minimum non-zero hardware duration instead of passing zero to future_base_time().

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{
  "affected": [],
  "aliases": [
    "CVE-2026-72414"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:22:15Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: sja1105: round up PTP perout pin duration\n\npin_duration is converted from the user-provided period to SJA1105\nclock ticks and is later passed as the cycle_time argument to\nfuture_base_time().\n\nVery small period values may become zero after the conversion,\nwhich can lead to a division by zero in future_base_time().\n\nRound zero pin_duration up to 1 tick so that the smallest unsupported\nperiods use the minimum non-zero hardware duration instead of passing\nzero to future_base_time().",
  "id": "GHSA-qh8g-7fvq-cf33",
  "modified": "2026-08-15T06:32:23Z",
  "published": "2026-08-15T06:32:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72414"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/09efce96c909dff1a9317ec3714b7ddb4751b7af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/201dcbbfb27f3db85c8cf125a75f3164a83ceb32"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/28d13a89a211cc07caeef32069eaa847131b7351"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/410629528067029096dba7ad7bc49e4a5e92708d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9952291db7125b8a62bf19800b93dcac81fc70c0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aaf446099ca497c8d9a8e511fedf5d0e547bf8ec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aee5836273b07b439fb245fb43930664d8b78518"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc62bfd30d30af07356f0f7121c826e1e753582f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}



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