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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 19:12:55 +0000</lastBuildDate>
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      <title>CVE-2026-90273 — coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-90273</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;coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable&lt;/p&gt;
&lt;p&gt;In the perf enable path, there are missing cases where
cscfg_csdev_disable_active_config() is not called:&lt;/p&gt;
&lt;p&gt;- Branch broadcast is selected but not supported by the hardware
  - etm4_enable_hw() fails&lt;/p&gt;
&lt;p&gt;This can lead to a leak of config_desc-&amp;gt;active_cnt.
Fix this by properly calling cscfg_csdev_disable_active_config()
in these error paths.&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;coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable&lt;/p&gt;
&lt;p&gt;In the perf enable path, there are missing cases where
cscfg_csdev_disable_active_config() is not called:&lt;/p&gt;
&lt;p&gt;- Branch broadcast is selected but not supported by the hardware
  - etm4_enable_hw() fails&lt;/p&gt;
&lt;p&gt;This can lead to a leak of config_desc-&amp;gt;active_cnt.
Fix this by properly calling cscfg_csdev_disable_active_config()
in these error paths.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-90273</guid>
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