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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Thu, 01 Oct 2026 08:36:06 +0000</lastBuildDate>
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      <title>CVE-2026-68410 — wifi: libertas: fix memory leak in helper_firmware_cb()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-68410</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;wifi: libertas: fix memory leak in helper_firmware_cb()&lt;/p&gt;
&lt;p&gt;helper_firmware_cb() neglects to free the single-stage firmware image
after a successful async load, leading to a memory leak in the USB
firmware-download path.&lt;/p&gt;
&lt;p&gt;Fix this memory leak by calling release_firmware() immediately after
lbs_fw_loaded() returns.&lt;/p&gt;
&lt;p&gt;The bug was first flagged by an experimental analysis tool we are
developing for kernel memory-management bugs while analyzing
v6.13-rc1. The tool is still under development and is not yet publicly
available. Manual inspection confirms that the bug is still present in
the current wireless tree.&lt;/p&gt;
&lt;p&gt;An x86_64 allyesconfig build showed no new warnings. As we do not have
compatible Libertas USB hardware for exercising this firmware-download
path, no runtime testing was able to be performed.&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;wifi: libertas: fix memory leak in helper_firmware_cb()&lt;/p&gt;
&lt;p&gt;helper_firmware_cb() neglects to free the single-stage firmware image
after a successful async load, leading to a memory leak in the USB
firmware-download path.&lt;/p&gt;
&lt;p&gt;Fix this memory leak by calling release_firmware() immediately after
lbs_fw_loaded() returns.&lt;/p&gt;
&lt;p&gt;The bug was first flagged by an experimental analysis tool we are
developing for kernel memory-management bugs while analyzing
v6.13-rc1. The tool is still under development and is not yet publicly
available. Manual inspection confirms that the bug is still present in
the current wireless tree.&lt;/p&gt;
&lt;p&gt;An x86_64 allyesconfig build showed no new warnings. As we do not have
compatible Libertas USB hardware for exercising this firmware-download
path, no runtime testing was able to be performed.&lt;/p&gt;</content:encoded>
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