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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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      <title>CVE-2024-41033 — cachestat: do not flush stats in recency check</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2024-41033</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;cachestat: do not flush stats in recency check&lt;/p&gt;
&lt;p&gt;syzbot detects that cachestat() is flushing stats, which can sleep, in its
RCU read section (see [1]).  This is done in the workingset_test_recent()
step (which checks if the folio&amp;#39;s eviction is recent).&lt;/p&gt;
&lt;p&gt;Move the stat flushing step to before the RCU read section of cachestat,
and skip stat flushing during the recency check.&lt;/p&gt;
&lt;p&gt;[1]: https://lore.kernel.org/cgroups/000000000000f71227061bdf97e0@google.com/&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;cachestat: do not flush stats in recency check&lt;/p&gt;
&lt;p&gt;syzbot detects that cachestat() is flushing stats, which can sleep, in its
RCU read section (see [1]).  This is done in the workingset_test_recent()
step (which checks if the folio&amp;#39;s eviction is recent).&lt;/p&gt;
&lt;p&gt;Move the stat flushing step to before the RCU read section of cachestat,
and skip stat flushing during the recency check.&lt;/p&gt;
&lt;p&gt;[1]: https://lore.kernel.org/cgroups/000000000000f71227061bdf97e0@google.com/&lt;/p&gt;</content:encoded>
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