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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 23:44:57 +0000</lastBuildDate>
    <item>
      <title>CVE-2023-54315 — powerpc/powernv/sriov: perform null check on iov before dereferencing iov</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-54315</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;powerpc/powernv/sriov: perform null check on iov before dereferencing iov&lt;/p&gt;
&lt;p&gt;Currently pointer iov is being dereferenced before the null check of iov
which can lead to null pointer dereference errors. Fix this by moving the
iov null check before the dereferencing.&lt;/p&gt;
&lt;p&gt;Detected using cppcheck static analysis:
linux/arch/powerpc/platforms/powernv/pci-sriov.c:597:12: warning: Either
the condition &amp;#39;!iov&amp;#39; is redundant or there is possible null pointer
dereference: iov. [nullPointerRedundantCheck]
 num_vfs = iov-&amp;gt;num_vfs;
           ^&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;powerpc/powernv/sriov: perform null check on iov before dereferencing iov&lt;/p&gt;
&lt;p&gt;Currently pointer iov is being dereferenced before the null check of iov
which can lead to null pointer dereference errors. Fix this by moving the
iov null check before the dereferencing.&lt;/p&gt;
&lt;p&gt;Detected using cppcheck static analysis:
linux/arch/powerpc/platforms/powernv/pci-sriov.c:597:12: warning: Either
the condition &amp;#39;!iov&amp;#39; is redundant or there is possible null pointer
dereference: iov. [nullPointerRedundantCheck]
 num_vfs = iov-&amp;gt;num_vfs;
           ^&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2023-54315</guid>
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