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    <lastBuildDate>Wed, 07 Oct 2026 21:12:23 +0000</lastBuildDate>
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      <title>CVE-2022-50313 — erofs: fix order &gt;= MAX_ORDER warning due to crafted negative i_size</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2022-50313</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;erofs: fix order &amp;gt;= MAX_ORDER warning due to crafted negative i_size&lt;/p&gt;
&lt;p&gt;As syzbot reported [1], the root cause is that i_size field is a
signed type, and negative i_size is also less than EROFS_BLKSIZ.
As a consequence, it&amp;#39;s handled as fast symlink unexpectedly.&lt;/p&gt;
&lt;p&gt;Let&amp;#39;s fall back to the generic path to deal with such unusual i_size.&lt;/p&gt;
&lt;p&gt;[1] https://lore.kernel.org/r/000000000000ac8efa05e7feaa1f@google.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;erofs: fix order &amp;gt;= MAX_ORDER warning due to crafted negative i_size&lt;/p&gt;
&lt;p&gt;As syzbot reported [1], the root cause is that i_size field is a
signed type, and negative i_size is also less than EROFS_BLKSIZ.
As a consequence, it&amp;#39;s handled as fast symlink unexpectedly.&lt;/p&gt;
&lt;p&gt;Let&amp;#39;s fall back to the generic path to deal with such unusual i_size.&lt;/p&gt;
&lt;p&gt;[1] https://lore.kernel.org/r/000000000000ac8efa05e7feaa1f@google.com&lt;/p&gt;</content:encoded>
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