{"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"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90227.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-90227"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536346"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90227"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90227"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-90227.mbox"},{"url":"https://access.redhat.com/errata/RHSA-2026:76738"},{"url":"https://access.redhat.com/errata/RHSA-2026:76739"},{"url":"https://access.redhat.com/errata/RHSA-2026:75747"},{"url":"https://access.redhat.com/errata/RHSA-2026:75746"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00168,"epssPercentile":0.06063,"ingestedAt":"2026-09-17T16:21:47.853Z","patched":["10base_smtv","enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_9","enterprise_linux_baseos_v_10","enterprise_linux_baseos_v_8","enterprise_linux_baseos_v_9","enterprise_linux_codeready_linux_builder_v_10","enterprise_linux_crb_v_8","enterprise_linux_codeready_linux_builder_v_9","enterprise_linux_hidden_v_10","enterprise_linux_real_time_for_nfv_v_10","enterprise_linux_nfv_v_8","enterprise_linux_real_time_for_nfv_v_9","enterprise_linux_real_time_v_10","enterprise_linux_rt_v_8","enterprise_linux_real_time_v_9"],"cwe":["CWE-266"],"scores":{"nvd":7.8,"vendor":7},"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.\n\n## Vendor advisories\n\n- **RHSA-2026:76738** · Red Hat · fixed in: 10Base-SMTV, Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10), Red Hat Enterprise Linux Hidden (v. 10), Red Hat Enterprise Linux Real Time for NFV (v. 10), … · released 2026-10-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:76738)\n- **RHSA-2026:76739** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9), Red Hat Enterprise Linux Real Time (v. 9) · released 2026-10-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:76739)\n- **RHSA-2026:75747** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-10-05 · [advisory](https://access.redhat.com/errata/RHSA-2026:75747)\n- **RHSA-2026:75746** · Red Hat · fixed in: Red Hat Enterprise Linux NFV (v. 8), Red Hat Enterprise Linux RT (v. 8) · released 2026-10-05 · [advisory](https://access.redhat.com/errata/RHSA-2026:75746)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-90227.json)","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"}]}