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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Thu, 01 Oct 2026 11:34:04 +0000</lastBuildDate>
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      <title>CVE-2026-64357 — xfs: fix exchmaps reservation limit check</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-64357</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;xfs: fix exchmaps reservation limit check&lt;/p&gt;
&lt;p&gt;xfs_exchmaps_estimate_overhead() adds the bmbt and rmapbt
overhead to a local resblks variable, but the final UINT_MAX
check still tests req-&amp;gt;resblks.  That is the reservation value
from before the overhead was added.&lt;/p&gt;
&lt;p&gt;The computed value is stored back in req-&amp;gt;resblks and later passed
to xfs_trans_alloc(), whose block reservation argument is unsigned
int.  Check the computed reservation so the existing limit applies
to the value that will be used.&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;xfs: fix exchmaps reservation limit check&lt;/p&gt;
&lt;p&gt;xfs_exchmaps_estimate_overhead() adds the bmbt and rmapbt
overhead to a local resblks variable, but the final UINT_MAX
check still tests req-&amp;gt;resblks.  That is the reservation value
from before the overhead was added.&lt;/p&gt;
&lt;p&gt;The computed value is stored back in req-&amp;gt;resblks and later passed
to xfs_trans_alloc(), whose block reservation argument is unsigned
int.  Check the computed reservation so the existing limit applies
to the value that will be used.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-64357</guid>
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