<?xml version='1.0' encoding='UTF-8'?>
<?xml-stylesheet href="/static/style.xsl" type="text/xsl"?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0">
  <channel>
    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
    <description>Contains only the most 10 recent entries.</description>
    <docs>http://www.rssboard.org/rss-specification</docs>
    <generator>python-feedgen</generator>
    <language>en</language>
    <lastBuildDate>Fri, 02 Oct 2026 11:45:14 +0000</lastBuildDate>
    <item>
      <title>CVE-2025-39926 — genetlink: fix genl_bind() invoking bind() after -EPERM</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2025-39926</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;genetlink: fix genl_bind() invoking bind() after -EPERM&lt;/p&gt;
&lt;p&gt;Per family bind/unbind callbacks were introduced to allow families
to track multicast group consumer presence, e.g. to start or stop
producing events depending on listeners.&lt;/p&gt;
&lt;p&gt;However, in genl_bind() the bind() callback was invoked even if
capability checks failed and ret was set to -EPERM. This means that
callbacks could run on behalf of unauthorized callers while the
syscall still returned failure to user space.&lt;/p&gt;
&lt;p&gt;Fix this by only invoking bind() after &amp;#34;if (ret) break;&amp;#34; check
i.e. after permission checks have succeeded.&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;genetlink: fix genl_bind() invoking bind() after -EPERM&lt;/p&gt;
&lt;p&gt;Per family bind/unbind callbacks were introduced to allow families
to track multicast group consumer presence, e.g. to start or stop
producing events depending on listeners.&lt;/p&gt;
&lt;p&gt;However, in genl_bind() the bind() callback was invoked even if
capability checks failed and ret was set to -EPERM. This means that
callbacks could run on behalf of unauthorized callers while the
syscall still returned failure to user space.&lt;/p&gt;
&lt;p&gt;Fix this by only invoking bind() after &amp;#34;if (ret) break;&amp;#34; check
i.e. after permission checks have succeeded.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2025-39926</guid>
    </item>
  </channel>
</rss>
