{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "7ca02d0ae586fe7df59632966a64f3f1a756ef05"
            },
            {
              "fixed": "f2d6cea221d777fab3ba18f805ba4c17c90e0b8b"
            },
            {
              "fixed": "91c4f3a87862fd86594d5945512decbfa0b1d13d"
            },
            {
              "fixed": "04f0354a4abf6793aa5b3f32e2b019ab206f344d"
            },
            {
              "fixed": "5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b"
            },
            {
              "fixed": "1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa"
            },
            {
              "fixed": "dfe848cadfde4179a0691da34f4bed36ff7185b5"
            },
            {
              "fixed": "dc2bd517ac0bce4ec7498644bd16b6db502df8e2"
            },
            {
              "fixed": "308ab73e97c87bd0e142b11758faab7f88d82854"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.1.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90283.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nhugetlbfs: release subpool on fill_super failure\n\nhugetlbfs_fill_super() allocates a hugepage subpool when size or min_size\nmount options are specified.  hugepage_new_subpool() may also reserve huge\npages for min_size.\n\nIf root dentry creation fails after the subpool is created, the failure\npath frees the subpool with kfree().  This bypasses hugepage_put_subpool()\nand can leave min_size reservations charged.\n\nUse hugepage_put_subpool() on the failure path, matching the normal\nput_super path.",
  "id": "CVE-2026-90283",
  "modified": "2026-09-19T03:30:21.574079987Z",
  "published": "2026-09-17T16:08:13.356Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04f0354a4abf6793aa5b3f32e2b019ab206f344d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1d8be4ee81e73fcc52e58f47842d9a2277cfeaaa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/308ab73e97c87bd0e142b11758faab7f88d82854"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b7fc7a1ce2a5f2cd8ed80a883157c7108074e0b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/91c4f3a87862fd86594d5945512decbfa0b1d13d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc2bd517ac0bce4ec7498644bd16b6db502df8e2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dfe848cadfde4179a0691da34f4bed36ff7185b5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f2d6cea221d777fab3ba18f805ba4c17c90e0b8b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90283.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90283"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "hugetlbfs: release subpool on fill_super failure"
}