{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3cf67f3769b8227ca75ca7102180a2e270ee01aa"
            },
            {
              "fixed": "8681e5addf7171602616e256a09057697dcc75ca"
            },
            {
              "fixed": "57c3f5bd5be008cd5b4ff6a45b7cb90f5ca45a37"
            },
            {
              "fixed": "bcfcd7619f277842430d197556463b401b839ee9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68356.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: airoha: Prevent division by zero when clock frequency is zero\n\nclk_get_rate() can return 0 when the clock provider is not properly\nconfigured or the clock is unmanaged. The driver uses wdt_freq as a\ndivisor directly in airoha_wdt_probe() to compute max_timeout and in\nairoha_wdt_get_timeleft() to compute the remaining time, which results\nin a division by zero.\n\nAdd a check for wdt_freq == 0 in probe and return -EINVAL with\ndev_err_probe() to prevent the division by zero and provide a\ndiagnostic message.",
  "id": "CVE-2026-68356",
  "modified": "2026-08-12T03:51:42.123897520Z",
  "published": "2026-08-10T12:03:33.280Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/57c3f5bd5be008cd5b4ff6a45b7cb90f5ca45a37"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8681e5addf7171602616e256a09057697dcc75ca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bcfcd7619f277842430d197556463b401b839ee9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68356.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68356"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "watchdog: airoha: Prevent division by zero when clock frequency is zero"
}