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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Wed, 30 Sep 2026 03:55:31 +0000</lastBuildDate>
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      <title>CVE-2024-26778 — fbdev: savage: Error out if pixclock equals zero</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-26778</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;fbdev: savage: Error out if pixclock equals zero&lt;/p&gt;
&lt;p&gt;The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn&amp;#39;t check the value of pixclock,
it may cause divide-by-zero error.&lt;/p&gt;
&lt;p&gt;Although pixclock is checked in savagefb_decode_var(), but it is not
checked properly in savagefb_probe(). Fix this by checking whether
pixclock is zero in the function savagefb_check_var() before
info-&amp;gt;var.pixclock is used as the divisor.&lt;/p&gt;
&lt;p&gt;This is similar to CVE-2022-3061 in i740fb which was fixed by
commit 15cf0b8.&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;fbdev: savage: Error out if pixclock equals zero&lt;/p&gt;
&lt;p&gt;The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn&amp;#39;t check the value of pixclock,
it may cause divide-by-zero error.&lt;/p&gt;
&lt;p&gt;Although pixclock is checked in savagefb_decode_var(), but it is not
checked properly in savagefb_probe(). Fix this by checking whether
pixclock is zero in the function savagefb_check_var() before
info-&amp;gt;var.pixclock is used as the divisor.&lt;/p&gt;
&lt;p&gt;This is similar to CVE-2022-3061 in i740fb which was fixed by
commit 15cf0b8.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2024-26778</guid>
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