CVE-2025-38719

{
  "id": "CVE-2025-38719",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-09-04T16:15:41.577",
  "lastModified": "2026-10-19T21:10:00.160",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hibmcge: fix the division by zero issue\n\nWhen the network port is down, the queue is released, and ring->len is 0.\nIn debugfs, hbg_get_queue_used_num() will be called,\nwhich may lead to a division by zero issue.\n\nThis patch adds a check, if ring->len is 0,\nhbg_get_queue_used_num() directly returns 0."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnet: hibmcge: corrige el problema de división por cero\n\nCuando el puerto de red está inactivo, la cola es liberada, y ring->len es 0.\nEn debugfs, se llamará a hbg_get_queue_used_num(),\nlo que puede llevar a un problema de división por cero.\n\nEste parche añade una comprobación, si ring->len es 0,\nhbg_get_queue_used_num() devuelve directamente 0."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "40735e7543f94fc88f58d94fd5f88daa4a2f2c6e",
              "lessThan": "c945e1ad4f3b77166a3215dabc0c6c980d4a9c73",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "40735e7543f94fc88f58d94fd5f88daa4a2f2c6e",
              "lessThan": "475e06113c615dafd44262d6d6bd37786f7f4206",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "40735e7543f94fc88f58d94fd5f88daa4a2f2c6e",
              "lessThan": "7004b26f0b64331143eb0b312e77a357a11427ce",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.13",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.13",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.15.11",
              "lessThanOrEqual": "6.15.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.16.2",
              "lessThanOrEqual": "6.16.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.17",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-369"
        }
      ]
    }
  ],
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          "negate": false,
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/475e06113c615dafd44262d6d6bd37786f7f4206",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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}