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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 15:48:48 +0000</lastBuildDate>
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      <title>CVE-2026-23109 — fs/writeback: skip AS_NO_DATA_INTEGRITY mappings in wait_sb_inodes()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-23109</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;fs/writeback: skip AS_NO_DATA_INTEGRITY mappings in wait_sb_inodes()&lt;/p&gt;
&lt;p&gt;Above the while() loop in wait_sb_inodes(), we document that we must wait
for all pages under writeback for data integrity.  Consequently, if a
mapping, like fuse, traditionally does not have data integrity semantics,
there is no need to wait at all; we can simply skip these inodes.&lt;/p&gt;
&lt;p&gt;This restores fuse back to prior behavior where syncs are no-ops.  This
fixes a user regression where if a system is running a faulty fuse server
that does not reply to issued write requests, this causes wait_sb_inodes()
to wait forever.&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;fs/writeback: skip AS_NO_DATA_INTEGRITY mappings in wait_sb_inodes()&lt;/p&gt;
&lt;p&gt;Above the while() loop in wait_sb_inodes(), we document that we must wait
for all pages under writeback for data integrity.  Consequently, if a
mapping, like fuse, traditionally does not have data integrity semantics,
there is no need to wait at all; we can simply skip these inodes.&lt;/p&gt;
&lt;p&gt;This restores fuse back to prior behavior where syncs are no-ops.  This
fixes a user regression where if a system is running a faulty fuse server
that does not reply to issued write requests, this causes wait_sb_inodes()
to wait forever.&lt;/p&gt;</content:encoded>
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