{"id":"CVE-2026-90227","summary":"nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()","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.","modified":"2026-09-19T03:47:30.947892825Z","published":"2026-09-17T16:07:35.989Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90227.json","cna_assigner":"Linux"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a53295b6998f62d961c29e54051c1cf1d738c2b3"},{"fixed":"c35cd98eed1a863e8dd51073953563cd8c907f68"},{"fixed":"95b0591d51dbf9e618d7845883d535e88ad7c8af"},{"fixed":"736b7c6adc7a65c4411beff197b6a634f7a6ca27"},{"fixed":"b116e9dae433ff631f94c36c61a7a78fe400ed1e"},{"fixed":"b53d495c7f0db46b6748b5ade48371a10dd5d3bc"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90227.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","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"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90227.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}