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CVE-2026-90227

HIGHCVSS 7.8/10

Last modified

CVE-2026-90227 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed() Unlike IO_CMD / IO64_CMD, NVME_IOCTL_SUBMIT_IO never calls nvme_cmd_allowed(). Unprivileged callers can thus issue I/O on a partition device or write through a read-only file descriptor. Pass flags and open_for_write through and reject disallowed commands with -EACCES..

Description

In the Linux kernel, the following vulnerability has been resolved: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed() Unlike IO_CMD / IO64_CMD, NVME_IOCTL_SUBMIT_IO never calls nvme_cmd_allowed(). Unprivileged callers can thus issue I/O on a partition device or write through a read-only file descriptor. Pass flags and open_for_write through and reject disallowed commands with -EACCES.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= a53295b6998f62d961c29e54051c1cf1d738c2b3, < c35cd98eed1a863e8dd51073953563cd8c907f68; >= a53295b6998f62d961c29e54051c1cf1d738c2b3, < 95b0591d51dbf9e618d7845883d535e88ad7c8af; >= a53295b6998f62d961c29e54051c1cf1d738c2b3, < 736b7c6adc7a65c4411beff197b6a634f7a6ca27; >= a53295b6998f62d961c29e54051c1cf1d738c2b3, < b116e9dae433ff631f94c36c61a7a78fe400ed1e; >= a53295b6998f62d961c29e54051c1cf1d738c2b3, < b53d495c7f0db46b6748b5ade48371a10dd5d3bc
LinuxLinux3.3

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90227?
In the Linux kernel, the following vulnerability has been resolved: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed() Unlike IO_CMD / IO64_CMD, NVME_IOCTL_SUBMIT_IO never calls nvme_cmd_allowed(). Unprivileged callers can thus issue I/O on a partition device or write through a read-only file descriptor. Pass flags and open_for_write through and reject disallowed commands with -EACCES.
How severe is CVE-2026-90227?
CVE-2026-90227 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-90227?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST