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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Wed, 30 Sep 2026 17:55:00 +0000</lastBuildDate>
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      <title>CVE-2026-23422 — dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-23422</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler&lt;/p&gt;
&lt;p&gt;Commit 31a7a0bbeb00 (&amp;#34;dpaa2-switch: add bounds check for if_id in IRQ
handler&amp;#34;) introduces a range check for if_id to avoid an out-of-bounds
access. If an out-of-bounds if_id is detected, the interrupt status is
not cleared. This may result in an interrupt storm.&lt;/p&gt;
&lt;p&gt;Clear the interrupt status after detecting an out-of-bounds if_id to avoid
the problem.&lt;/p&gt;
&lt;p&gt;Found by an experimental AI code review agent at Google.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler&lt;/p&gt;
&lt;p&gt;Commit 31a7a0bbeb00 (&amp;#34;dpaa2-switch: add bounds check for if_id in IRQ
handler&amp;#34;) introduces a range check for if_id to avoid an out-of-bounds
access. If an out-of-bounds if_id is detected, the interrupt status is
not cleared. This may result in an interrupt storm.&lt;/p&gt;
&lt;p&gt;Clear the interrupt status after detecting an out-of-bounds if_id to avoid
the problem.&lt;/p&gt;
&lt;p&gt;Found by an experimental AI code review agent at Google.&lt;/p&gt;</content:encoded>
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