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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 08:46:25 +0000</lastBuildDate>
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      <title>CVE-2023-53163 — fs/ntfs3: don't hold ni_lock when calling truncate_setsize()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-53163</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/ntfs3: don&amp;#39;t hold ni_lock when calling truncate_setsize()&lt;/p&gt;
&lt;p&gt;syzbot is reporting hung task at do_user_addr_fault() [1], for there is
a silent deadlock between PG_locked bit and ni_lock lock.&lt;/p&gt;
&lt;p&gt;Since filemap_update_page() calls filemap_read_folio() after calling
folio_trylock() which will set PG_locked bit, ntfs_truncate() must not
call truncate_setsize() which will wait for PG_locked bit to be cleared
when holding ni_lock lock.&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/ntfs3: don&amp;#39;t hold ni_lock when calling truncate_setsize()&lt;/p&gt;
&lt;p&gt;syzbot is reporting hung task at do_user_addr_fault() [1], for there is
a silent deadlock between PG_locked bit and ni_lock lock.&lt;/p&gt;
&lt;p&gt;Since filemap_update_page() calls filemap_read_folio() after calling
folio_trylock() which will set PG_locked bit, ntfs_truncate() must not
call truncate_setsize() which will wait for PG_locked bit to be cleared
when holding ni_lock lock.&lt;/p&gt;</content:encoded>
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