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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Fri, 02 Oct 2026 15:25:25 +0000</lastBuildDate>
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      <title>CVE-2026-46089 — zram: do not forget to endio for partial discard requests</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-46089</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;zram: do not forget to endio for partial discard requests&lt;/p&gt;
&lt;p&gt;As reported by Qu Wenruo and Avinesh Kumar, the following&lt;/p&gt;
&lt;p&gt;getconf PAGESIZE
 65536
 blkdiscard -p 4k /dev/zram0&lt;/p&gt;
&lt;p&gt;takes literally forever to complete.  zram doesn&amp;#39;t support partial
discards and just returns immediately w/o doing any discard work in such
cases.  The problem is that we forget to endio on our way out, so
blkdiscard sleeps forever in submit_bio_wait().  Fix this by jumping to
end_bio label, which does bio_endio().&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;zram: do not forget to endio for partial discard requests&lt;/p&gt;
&lt;p&gt;As reported by Qu Wenruo and Avinesh Kumar, the following&lt;/p&gt;
&lt;p&gt;getconf PAGESIZE
 65536
 blkdiscard -p 4k /dev/zram0&lt;/p&gt;
&lt;p&gt;takes literally forever to complete.  zram doesn&amp;#39;t support partial
discards and just returns immediately w/o doing any discard work in such
cases.  The problem is that we forget to endio on our way out, so
blkdiscard sleeps forever in submit_bio_wait().  Fix this by jumping to
end_bio label, which does bio_endio().&lt;/p&gt;</content:encoded>
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