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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 15:44:54 +0000</lastBuildDate>
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      <title>CVE-2026-68228 — media: chips-media: wave5: Move src_buf Removal to finish_encode</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-68228</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;media: chips-media: wave5: Move src_buf Removal to finish_encode&lt;/p&gt;
&lt;p&gt;During encoder processing, there is a case where the IRQ response could
return the buffer back to userspace via v4l2_m2m_buf_done call. In this
time, userspace could queue up this same buffer before start_encode removes
the index from the ready queue. This would then lead to a case where the
buffer in the ready queue could be a self loop due to the
WRITE_ONCE(prev-&amp;gt;next, new) call in __list_add.&lt;/p&gt;
&lt;p&gt;When __list_del is finally called, the loop is already made so nothing
points back to ready queue list head and pointers are poisoned.&lt;/p&gt;
&lt;p&gt;A buffer should not be marked as DONE before the buffer is removed from
m2m ready queue. Move removal entirely to finish_encode.&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;media: chips-media: wave5: Move src_buf Removal to finish_encode&lt;/p&gt;
&lt;p&gt;During encoder processing, there is a case where the IRQ response could
return the buffer back to userspace via v4l2_m2m_buf_done call. In this
time, userspace could queue up this same buffer before start_encode removes
the index from the ready queue. This would then lead to a case where the
buffer in the ready queue could be a self loop due to the
WRITE_ONCE(prev-&amp;gt;next, new) call in __list_add.&lt;/p&gt;
&lt;p&gt;When __list_del is finally called, the loop is already made so nothing
points back to ready queue list head and pointers are poisoned.&lt;/p&gt;
&lt;p&gt;A buffer should not be marked as DONE before the buffer is removed from
m2m ready queue. Move removal entirely to finish_encode.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-68228</guid>
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