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    <lastBuildDate>Wed, 30 Sep 2026 13:25:04 +0000</lastBuildDate>
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      <title>CVE-2026-93082 — firmware: arm_scmi: Unwind P2A receiver mailbox setup failure</title>
      <link>https://db.gcve.eu/vuln/cve-2026-93082</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;firmware: arm_scmi: Unwind P2A receiver mailbox setup failure&lt;/p&gt;
&lt;p&gt;mailbox_chan_setup() can request an additional P2A receiver channel after
successfully acquiring the primary P2A channel. If that later request
fails, the function returns immediately and leaves the primary channel
allocated.&lt;/p&gt;
&lt;p&gt;Unwind the primary mailbox channel before returning the error so probe
deferral or other setup failures do not leave the channel busy for later
probe attempts.&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;firmware: arm_scmi: Unwind P2A receiver mailbox setup failure&lt;/p&gt;
&lt;p&gt;mailbox_chan_setup() can request an additional P2A receiver channel after
successfully acquiring the primary P2A channel. If that later request
fails, the function returns immediately and leaves the primary channel
allocated.&lt;/p&gt;
&lt;p&gt;Unwind the primary mailbox channel before returning the error so probe
deferral or other setup failures do not leave the channel busy for later
probe attempts.&lt;/p&gt;</content:encoded>
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