{"id":"CVE-2026-90227","title":"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()","summary":"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 …","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= a53295b6998f62d961c29e54051c1cf1d738c2b3 < c35cd98eed1a863e8dd51073953563cd8c907f68","Linux >= a53295b6998f62d961c29e54051c1cf1d738c2b3 < 95b0591d51dbf9e618d7845883d535e88ad7c8af","Linux >= a53295b6998f62d961c29e54051c1cf1d738c2b3 < 736b7c6adc7a65c4411beff197b6a634f7a6ca27","Linux >= a53295b6998f62d961c29e54051c1cf1d738c2b3 < b116e9dae433ff631f94c36c61a7a78fe400ed1e","Linux >= a53295b6998f62d961c29e54051c1cf1d738c2b3 < b53d495c7f0db46b6748b5ade48371a10dd5d3bc","Linux 3.3"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:47.500","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90227","references":[{"url":"https://git.kernel.org/stable/c/736b7c6adc7a65c4411beff197b6a634f7a6ca27","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/95b0591d51dbf9e618d7845883d535e88ad7c8af","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b116e9dae433ff631f94c36c61a7a78fe400ed1e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b53d495c7f0db46b6748b5ade48371a10dd5d3bc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c35cd98eed1a863e8dd51073953563cd8c907f68","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00163,"epssPercentile":0.05974,"ingestedAt":"2026-09-17T16:21:47.853Z","slug":"CVE-2026-90227","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":207191,"id":"CVE-2026-90227","ts":1789757339517,"field":"cvss","old":null,"new":"7.8"},{"seq":207190,"id":"CVE-2026-90227","ts":1789757339517,"field":"severity","old":"none","new":"high"}]}