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    <title>Most recent entries from all</title>
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    <lastBuildDate>Mon, 28 Sep 2026 16:18:14 +0000</lastBuildDate>
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      <title>CVE-2025-68239 — binfmt_misc: restore write access before closing files opened by open_exec()</title>
      <link>https://db.gcve.eu/vuln/cve-2025-68239</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;binfmt_misc: restore write access before closing files opened by open_exec()&lt;/p&gt;
&lt;p&gt;bm_register_write() opens an executable file using open_exec(), which
internally calls do_open_execat() and denies write access on the file to
avoid modification while it is being executed.&lt;/p&gt;
&lt;p&gt;However, when an error occurs, bm_register_write() closes the file using
filp_close() directly. This does not restore the write permission, which
may cause subsequent write operations on the same file to fail.&lt;/p&gt;
&lt;p&gt;Fix this by calling exe_file_allow_write_access() before filp_close() to
restore the write permission properly.&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;binfmt_misc: restore write access before closing files opened by open_exec()&lt;/p&gt;
&lt;p&gt;bm_register_write() opens an executable file using open_exec(), which
internally calls do_open_execat() and denies write access on the file to
avoid modification while it is being executed.&lt;/p&gt;
&lt;p&gt;However, when an error occurs, bm_register_write() closes the file using
filp_close() directly. This does not restore the write permission, which
may cause subsequent write operations on the same file to fail.&lt;/p&gt;
&lt;p&gt;Fix this by calling exe_file_allow_write_access() before filp_close() to
restore the write permission properly.&lt;/p&gt;</content:encoded>
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