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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Fri, 09 Oct 2026 21:17:22 +0000</lastBuildDate>
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      <title>CVE-2026-98212 — mmc: hsq: Fix use-after-free in retry work</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-98212</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;mmc: hsq: Fix use-after-free in retry work&lt;/p&gt;
&lt;p&gt;mmc_hsq_pump_requests() queues retry_work when request_atomic() returns
-EBUSY; today sdhci-sprd is the only consumer that implements
request_atomic(). The work is embedded in a devm-allocated mmc_hsq, but
is never cancelled during driver removal. Work still pending at unbind
can therefore run after the devm allocation has been released and
dereference hsq-&amp;gt;mmc and hsq-&amp;gt;mrq.&lt;/p&gt;
&lt;p&gt;Use devm_work_autocancel() to cancel and drain retry_work before the devm
allocation is released. By the time devres cleanup begins,
mmc_remove_host() has already stopped the host, so no new requests can
arm the work.&lt;/p&gt;
&lt;p&gt;This issue was found by an in-house static analysis tool.&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;mmc: hsq: Fix use-after-free in retry work&lt;/p&gt;
&lt;p&gt;mmc_hsq_pump_requests() queues retry_work when request_atomic() returns
-EBUSY; today sdhci-sprd is the only consumer that implements
request_atomic(). The work is embedded in a devm-allocated mmc_hsq, but
is never cancelled during driver removal. Work still pending at unbind
can therefore run after the devm allocation has been released and
dereference hsq-&amp;gt;mmc and hsq-&amp;gt;mrq.&lt;/p&gt;
&lt;p&gt;Use devm_work_autocancel() to cancel and drain retry_work before the devm
allocation is released. By the time devres cleanup begins,
mmc_remove_host() has already stopped the host, so no new requests can
arm the work.&lt;/p&gt;
&lt;p&gt;This issue was found by an in-house static analysis tool.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-98212</guid>
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