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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Fri, 02 Oct 2026 16:59:58 +0000</lastBuildDate>
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      <title>CVE-2026-23122 — igc: Reduce TSN TX packet buffer from 7KB to 5KB per queue</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-23122</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;igc: Reduce TSN TX packet buffer from 7KB to 5KB per queue&lt;/p&gt;
&lt;p&gt;The previous 7 KB per queue caused TX unit hangs under heavy
timestamping load. Reducing to 5 KB avoids these hangs and matches
the TSN recommendation in I225/I226 SW User Manual Section 7.5.4.&lt;/p&gt;
&lt;p&gt;The 8 KB &amp;#34;freed&amp;#34; by this change is currently unused. This reduction
is not expected to impact throughput, as the i226 is PCIe-limited
for small TSN packets rather than TX-buffer-limited.&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;igc: Reduce TSN TX packet buffer from 7KB to 5KB per queue&lt;/p&gt;
&lt;p&gt;The previous 7 KB per queue caused TX unit hangs under heavy
timestamping load. Reducing to 5 KB avoids these hangs and matches
the TSN recommendation in I225/I226 SW User Manual Section 7.5.4.&lt;/p&gt;
&lt;p&gt;The 8 KB &amp;#34;freed&amp;#34; by this change is currently unused. This reduction
is not expected to impact throughput, as the i226 is PCIe-limited
for small TSN packets rather than TX-buffer-limited.&lt;/p&gt;</content:encoded>
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