FKIE_CVE-2026-72414

Vulnerability from fkie_nvd - Published: 2026-08-15 06:22 - Updated: 2026-08-17 06:19
Severity
Summary
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().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/09efce96c909dff1a9317ec3714b7ddb4751b7af
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/201dcbbfb27f3db85c8cf125a75f3164a83ceb32
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/28d13a89a211cc07caeef32069eaa847131b7351
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/410629528067029096dba7ad7bc49e4a5e92708d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9952291db7125b8a62bf19800b93dcac81fc70c0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aaf446099ca497c8d9a8e511fedf5d0e547bf8ec
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aee5836273b07b439fb245fb43930664d8b78518
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fc62bfd30d30af07356f0f7121c826e1e753582f
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/dsa/sja1105/sja1105_ptp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "aaf446099ca497c8d9a8e511fedf5d0e547bf8ec",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            },
            {
              "lessThan": "201dcbbfb27f3db85c8cf125a75f3164a83ceb32",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            },
            {
              "lessThan": "9952291db7125b8a62bf19800b93dcac81fc70c0",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            },
            {
              "lessThan": "fc62bfd30d30af07356f0f7121c826e1e753582f",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            },
            {
              "lessThan": "28d13a89a211cc07caeef32069eaa847131b7351",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            },
            {
              "lessThan": "410629528067029096dba7ad7bc49e4a5e92708d",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            },
            {
              "lessThan": "09efce96c909dff1a9317ec3714b7ddb4751b7af",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            },
            {
              "lessThan": "aee5836273b07b439fb245fb43930664d8b78518",
              "status": "affected",
              "version": "747e5eb31d59d047972a0dab03e5430fe4264332",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/dsa/sja1105/sja1105_ptp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.7"
            },
            {
              "lessThan": "5.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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": "CVE-2026-72414",
  "lastModified": "2026-08-17T06:19:08.267",
  "metrics": {},
  "published": "2026-08-15T06:22:15.003",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/09efce96c909dff1a9317ec3714b7ddb4751b7af"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/201dcbbfb27f3db85c8cf125a75f3164a83ceb32"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/28d13a89a211cc07caeef32069eaa847131b7351"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/410629528067029096dba7ad7bc49e4a5e92708d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/9952291db7125b8a62bf19800b93dcac81fc70c0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/aaf446099ca497c8d9a8e511fedf5d0e547bf8ec"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/aee5836273b07b439fb245fb43930664d8b78518"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/fc62bfd30d30af07356f0f7121c826e1e753582f"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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