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    <title>Most recent entries from all</title>
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    <lastBuildDate>Thu, 12 Nov 2026 14:53:58 +0000</lastBuildDate>
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      <title>CVE-2026-99219 — ftrace: Initialize modname and offset in print_rec()</title>
      <link>https://db.gcve.eu/vuln/cve-2026-99219</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;ftrace: Initialize modname and offset in print_rec()&lt;/p&gt;
&lt;p&gt;print_rec() leaves &amp;#39;modname&amp;#39; and &amp;#39;offset&amp;#39; uninitialized and
kallsyms_lookup() only sets them on success. When the lookup fails like
when a module is being loaded or unloaded, &amp;#39;modname&amp;#39; holds a garbage
value, passes the &amp;#39;if (modname)&amp;#39; check, and is dereferenced by
seq_printf().&lt;/p&gt;
&lt;p&gt;Oops: general protection fault
  RIP: 0010:string+0x48/0xe0
  Call Trace:
   vsnprintf+0x1f5/0x650
   seq_printf+0x8e/0xb0
   print_rec+0x6c/0xc0
   t_show+0x4c/0x440
   seq_read_iter+0x119/0x480&lt;/p&gt;
&lt;p&gt;This can be triggered by reading available_filter_functions while a
module is being loaded or unloaded.&lt;/p&gt;
&lt;p&gt;Initialize both variables so a failed lookup skips the module name.&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;ftrace: Initialize modname and offset in print_rec()&lt;/p&gt;
&lt;p&gt;print_rec() leaves &amp;#39;modname&amp;#39; and &amp;#39;offset&amp;#39; uninitialized and
kallsyms_lookup() only sets them on success. When the lookup fails like
when a module is being loaded or unloaded, &amp;#39;modname&amp;#39; holds a garbage
value, passes the &amp;#39;if (modname)&amp;#39; check, and is dereferenced by
seq_printf().&lt;/p&gt;
&lt;p&gt;Oops: general protection fault
  RIP: 0010:string+0x48/0xe0
  Call Trace:
   vsnprintf+0x1f5/0x650
   seq_printf+0x8e/0xb0
   print_rec+0x6c/0xc0
   t_show+0x4c/0x440
   seq_read_iter+0x119/0x480&lt;/p&gt;
&lt;p&gt;This can be triggered by reading available_filter_functions while a
module is being loaded or unloaded.&lt;/p&gt;
&lt;p&gt;Initialize both variables so a failed lookup skips the module name.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://db.gcve.eu/vuln/cve-2026-99219</guid>
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