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    <lastBuildDate>Tue, 06 Oct 2026 03:52:35 +0000</lastBuildDate>
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      <title>CVE-2024-42258 — mm: huge_memory: use !CONFIG_64BIT to relax huge page alignment on 32 bit machines</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2024-42258</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;mm: huge_memory: use !CONFIG_64BIT to relax huge page alignment on 32 bit machines&lt;/p&gt;
&lt;p&gt;Yves-Alexis Perez reported commit 4ef9ad19e176 (&amp;#34;mm: huge_memory: don&amp;#39;t
force huge page alignment on 32 bit&amp;#34;) didn&amp;#39;t work for x86_32 [1].  It is
because x86_32 uses CONFIG_X86_32 instead of CONFIG_32BIT.&lt;/p&gt;
&lt;p&gt;!CONFIG_64BIT should cover all 32 bit machines.&lt;/p&gt;
&lt;p&gt;[1] https://lore.kernel.org/linux-mm/CAHbLzkr1LwH3pcTgM+aGQ31ip2bKqiqEQ8=FQB+t2c3dhNKNHA@mail.gmail.com/&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;mm: huge_memory: use !CONFIG_64BIT to relax huge page alignment on 32 bit machines&lt;/p&gt;
&lt;p&gt;Yves-Alexis Perez reported commit 4ef9ad19e176 (&amp;#34;mm: huge_memory: don&amp;#39;t
force huge page alignment on 32 bit&amp;#34;) didn&amp;#39;t work for x86_32 [1].  It is
because x86_32 uses CONFIG_X86_32 instead of CONFIG_32BIT.&lt;/p&gt;
&lt;p&gt;!CONFIG_64BIT should cover all 32 bit machines.&lt;/p&gt;
&lt;p&gt;[1] https://lore.kernel.org/linux-mm/CAHbLzkr1LwH3pcTgM+aGQ31ip2bKqiqEQ8=FQB+t2c3dhNKNHA@mail.gmail.com/&lt;/p&gt;</content:encoded>
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