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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Tue, 29 Sep 2026 03:51:22 +0000</lastBuildDate>
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      <title>CVE-2025-38702 — fbdev: fix potential buffer overflow in do_register_framebuffer()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-38702</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC CN 4100, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;fbdev: fix potential buffer overflow in do_register_framebuffer()&lt;/p&gt;
&lt;p&gt;The current implementation may lead to buffer overflow when:
1.  Unregistration creates NULL gaps in registered_fb[]
2.  All array slots become occupied despite num_registered_fb &amp;lt; FB_MAX
3.  The registration loop exceeds array bounds&lt;/p&gt;
&lt;p&gt;Add boundary check to prevent registered_fb[FB_MAX] access.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC CN 4100, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;fbdev: fix potential buffer overflow in do_register_framebuffer()&lt;/p&gt;
&lt;p&gt;The current implementation may lead to buffer overflow when:
1.  Unregistration creates NULL gaps in registered_fb[]
2.  All array slots become occupied despite num_registered_fb &amp;lt; FB_MAX
3.  The registration loop exceeds array bounds&lt;/p&gt;
&lt;p&gt;Add boundary check to prevent registered_fb[FB_MAX] access.&lt;/p&gt;</content:encoded>
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