{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5b47c02967ab770aa7661c8863a21b2fd59e35ff"
            },
            {
              "fixed": "2774bcf714739cc6bb86f8812167bb9fbda70f6a"
            },
            {
              "fixed": "357c6d084b6137ae640209c5bfd01180f985c015"
            },
            {
              "fixed": "c45b354911d01565156e38d7f6bc07edb51fc34c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.15.0"
            },
            {
              "fixed": "6.18.27"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46284.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix early boot crash on parameters without '=' separator\n\nIf hugepages, hugepagesz, or default_hugepagesz are specified on the\nkernel command line without the '=' separator, early parameter parsing\npasses NULL to hugetlb_add_param(), which dereferences it in strlen() and\ncan crash the system during early boot.\n\nReject NULL values in hugetlb_add_param() and return -EINVAL instead.",
  "id": "CVE-2026-46284",
  "modified": "2026-07-15T01:49:15.555902386Z",
  "published": "2026-06-08T15:41:27.467Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2774bcf714739cc6bb86f8812167bb9fbda70f6a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/357c6d084b6137ae640209c5bfd01180f985c015"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c45b354911d01565156e38d7f6bc07edb51fc34c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46284.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46284"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "mm/hugetlb: fix early boot crash on parameters without '=' separator"
}