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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 12:36:47 +0000</lastBuildDate>
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      <title>CVE-2026-46045 — md/md-llbitmap: skip reading rdevs that are not in_sync</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-46045</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;md/md-llbitmap: skip reading rdevs that are not in_sync&lt;/p&gt;
&lt;p&gt;When reading bitmap pages from member disks, the code iterates through
all rdevs and attempts to read from the first available one. However,
it only checks for raid_disk assignment and Faulty flag, missing the
In_sync flag check.&lt;/p&gt;
&lt;p&gt;This can cause bitmap data to be read from spare disks that are still
being rebuilt and don&amp;#39;t have valid bitmap information yet. Reading
stale or uninitialized bitmap data from such disks can lead to
incorrect dirty bit tracking, potentially causing data corruption
during recovery or normal operation.&lt;/p&gt;
&lt;p&gt;Add the In_sync flag check to ensure bitmap pages are only read from
fully synchronized member disks that have valid bitmap data.&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;md/md-llbitmap: skip reading rdevs that are not in_sync&lt;/p&gt;
&lt;p&gt;When reading bitmap pages from member disks, the code iterates through
all rdevs and attempts to read from the first available one. However,
it only checks for raid_disk assignment and Faulty flag, missing the
In_sync flag check.&lt;/p&gt;
&lt;p&gt;This can cause bitmap data to be read from spare disks that are still
being rebuilt and don&amp;#39;t have valid bitmap information yet. Reading
stale or uninitialized bitmap data from such disks can lead to
incorrect dirty bit tracking, potentially causing data corruption
during recovery or normal operation.&lt;/p&gt;
&lt;p&gt;Add the In_sync flag check to ensure bitmap pages are only read from
fully synchronized member disks that have valid bitmap data.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-46045</guid>
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