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    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 07:34:49 +0000</lastBuildDate>
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      <title>CVE-2026-90227 — nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-90227</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;
&lt;p&gt;Pass flags and open_for_write through and reject disallowed commands
with -EACCES.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()&lt;/p&gt;
&lt;p&gt;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.&lt;/p&gt;
&lt;p&gt;Pass flags and open_for_write through and reject disallowed commands
with -EACCES.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-90227</guid>
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