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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 08:36:22 +0000</lastBuildDate>
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      <title>CVE-2026-53303 — f2fs: protect extension_list reading with sb_lock in f2fs_sbi_show()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-53303</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;f2fs: protect extension_list reading with sb_lock in f2fs_sbi_show()&lt;/p&gt;
&lt;p&gt;In f2fs_sbi_show(), the extension_list, extension_count and
hot_ext_count are read without holding sbi-&amp;gt;sb_lock. If a concurrent
sysfs store modifies the extension list via f2fs_update_extension_list(),
the show path may read inconsistent count and array contents, potentially
leading to out-of-bounds access or displaying stale data.&lt;/p&gt;
&lt;p&gt;Fix this by holding sb_lock around the entire extension list read
and format operation.&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;f2fs: protect extension_list reading with sb_lock in f2fs_sbi_show()&lt;/p&gt;
&lt;p&gt;In f2fs_sbi_show(), the extension_list, extension_count and
hot_ext_count are read without holding sbi-&amp;gt;sb_lock. If a concurrent
sysfs store modifies the extension list via f2fs_update_extension_list(),
the show path may read inconsistent count and array contents, potentially
leading to out-of-bounds access or displaying stale data.&lt;/p&gt;
&lt;p&gt;Fix this by holding sb_lock around the entire extension list read
and format operation.&lt;/p&gt;</content:encoded>
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