{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a53295b6998f62d961c29e54051c1cf1d738c2b3"
            },
            {
              "fixed": "c35cd98eed1a863e8dd51073953563cd8c907f68"
            },
            {
              "fixed": "95b0591d51dbf9e618d7845883d535e88ad7c8af"
            },
            {
              "fixed": "736b7c6adc7a65c4411beff197b6a634f7a6ca27"
            },
            {
              "fixed": "b116e9dae433ff631f94c36c61a7a78fe400ed1e"
            },
            {
              "fixed": "b53d495c7f0db46b6748b5ade48371a10dd5d3bc"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.3.0"
            },
            {
              "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-2026-90227.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()\n\nUnlike IO_CMD / IO64_CMD, NVME_IOCTL_SUBMIT_IO never calls\nnvme_cmd_allowed(). Unprivileged callers can thus issue I/O on a\npartition device or write through a read-only file descriptor.\n\nPass flags and open_for_write through and reject disallowed commands\nwith -EACCES.",
  "id": "CVE-2026-90227",
  "modified": "2026-09-19T03:30:22.459911172Z",
  "published": "2026-09-17T16:07:35.989Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/736b7c6adc7a65c4411beff197b6a634f7a6ca27"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/95b0591d51dbf9e618d7845883d535e88ad7c8af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b116e9dae433ff631f94c36c61a7a78fe400ed1e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b53d495c7f0db46b6748b5ade48371a10dd5d3bc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c35cd98eed1a863e8dd51073953563cd8c907f68"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90227.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90227"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()"
}