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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 15:14:44 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-45865 — mctp i2c: initialise event handler read bytes</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-45865</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;mctp i2c: initialise event handler read bytes&lt;/p&gt;
&lt;p&gt;Set a 0xff value for i2c reads of an mctp-i2c device. Otherwise reads
will return &amp;#34;val&amp;#34; from the i2c bus driver. For i2c-aspeed and
i2c-npcm7xx that is a stack uninitialised u8.&lt;/p&gt;
&lt;p&gt;Tested with &amp;#34;i2ctransfer -y 1 r10@0x34&amp;#34; where 0x34 is a mctp-i2c
instance, now it returns all 0xff.&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;mctp i2c: initialise event handler read bytes&lt;/p&gt;
&lt;p&gt;Set a 0xff value for i2c reads of an mctp-i2c device. Otherwise reads
will return &amp;#34;val&amp;#34; from the i2c bus driver. For i2c-aspeed and
i2c-npcm7xx that is a stack uninitialised u8.&lt;/p&gt;
&lt;p&gt;Tested with &amp;#34;i2ctransfer -y 1 r10@0x34&amp;#34; where 0x34 is a mctp-i2c
instance, now it returns all 0xff.&lt;/p&gt;</content:encoded>
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