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    <title>Most recent entries from all</title>
    <link>https://db.gcve.eu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 16:09:18 +0000</lastBuildDate>
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      <title>CVE-2022-50756 — nvme-pci: fix mempool alloc size</title>
      <link>https://db.gcve.eu/vuln/cve-2022-50756</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-pci: fix mempool alloc size&lt;/p&gt;
&lt;p&gt;Convert the max size to bytes to match the units of the divisor that
calculates the worst-case number of PRP entries.&lt;/p&gt;
&lt;p&gt;The result is used to determine how many PRP Lists are required. The
code was previously rounding this to 1 list, but we can require 2 in the
worst case. In that scenario, the driver would corrupt memory beyond the
size provided by the mempool.&lt;/p&gt;
&lt;p&gt;While unlikely to occur (you&amp;#39;d need a 4MB in exactly 127 phys segments
on a queue that doesn&amp;#39;t support SGLs), this memory corruption has been
observed by kfence.&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-pci: fix mempool alloc size&lt;/p&gt;
&lt;p&gt;Convert the max size to bytes to match the units of the divisor that
calculates the worst-case number of PRP entries.&lt;/p&gt;
&lt;p&gt;The result is used to determine how many PRP Lists are required. The
code was previously rounding this to 1 list, but we can require 2 in the
worst case. In that scenario, the driver would corrupt memory beyond the
size provided by the mempool.&lt;/p&gt;
&lt;p&gt;While unlikely to occur (you&amp;#39;d need a 4MB in exactly 127 phys segments
on a queue that doesn&amp;#39;t support SGLs), this memory corruption has been
observed by kfence.&lt;/p&gt;</content:encoded>
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