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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 04:49:42 +0000</lastBuildDate>
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      <title>CVE-2026-74376 — md/raid10: reset read_slot when reusing r10bio for discard</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-74376</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/raid10: reset read_slot when reusing r10bio for discard&lt;/p&gt;
&lt;p&gt;put_all_bios() always drops devs[i].bio, but it only drops
devs[i].repl_bio when r10_bio-&amp;gt;read_slot &amp;lt; 0. If discard reuses an
r10bio that was previously used for a read, read_slot can still be
non-negative, and discard cleanup can skip bio_put() on repl_bio.&lt;/p&gt;
&lt;p&gt;Reset read_slot to -1 when preparing an r10bio for discard so the
replacement bio is always released correctly.&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/raid10: reset read_slot when reusing r10bio for discard&lt;/p&gt;
&lt;p&gt;put_all_bios() always drops devs[i].bio, but it only drops
devs[i].repl_bio when r10_bio-&amp;gt;read_slot &amp;lt; 0. If discard reuses an
r10bio that was previously used for a read, read_slot can still be
non-negative, and discard cleanup can skip bio_put() on repl_bio.&lt;/p&gt;
&lt;p&gt;Reset read_slot to -1 when preparing an r10bio for discard so the
replacement bio is always released correctly.&lt;/p&gt;</content:encoded>
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