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    <lastBuildDate>Fri, 02 Oct 2026 10:35:16 +0000</lastBuildDate>
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      <title>CVE-2024-38663 — blk-cgroup: fix list corruption from resetting io stat</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-38663</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;blk-cgroup: fix list corruption from resetting io stat&lt;/p&gt;
&lt;p&gt;Since commit 3b8cc6298724 (&amp;#34;blk-cgroup: Optimize blkcg_rstat_flush()&amp;#34;),
each iostat instance is added to blkcg percpu list, so blkcg_reset_stats()
can&amp;#39;t reset the stat instance by memset(), otherwise the llist may be
corrupted.&lt;/p&gt;
&lt;p&gt;Fix the issue by only resetting the counter part.&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;blk-cgroup: fix list corruption from resetting io stat&lt;/p&gt;
&lt;p&gt;Since commit 3b8cc6298724 (&amp;#34;blk-cgroup: Optimize blkcg_rstat_flush()&amp;#34;),
each iostat instance is added to blkcg percpu list, so blkcg_reset_stats()
can&amp;#39;t reset the stat instance by memset(), otherwise the llist may be
corrupted.&lt;/p&gt;
&lt;p&gt;Fix the issue by only resetting the counter part.&lt;/p&gt;</content:encoded>
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