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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 04:09:30 +0000</lastBuildDate>
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      <title>CVE-2023-53181 — dma-buf/dma-resv: Stop leaking on krealloc() failure</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-53181</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;dma-buf/dma-resv: Stop leaking on krealloc() failure&lt;/p&gt;
&lt;p&gt;Currently dma_resv_get_fences() will leak the previously
allocated array if the fence iteration got restarted and
the krealloc_array() fails.&lt;/p&gt;
&lt;p&gt;Free the old array by hand, and make sure we still clear
the returned *fences so the caller won&amp;#39;t end up accessing
freed memory. Some (but not all) of the callers of
dma_resv_get_fences() seem to still trawl through the
array even when dma_resv_get_fences() failed. And let&amp;#39;s
zero out *num_fences as well for good measure.&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;dma-buf/dma-resv: Stop leaking on krealloc() failure&lt;/p&gt;
&lt;p&gt;Currently dma_resv_get_fences() will leak the previously
allocated array if the fence iteration got restarted and
the krealloc_array() fails.&lt;/p&gt;
&lt;p&gt;Free the old array by hand, and make sure we still clear
the returned *fences so the caller won&amp;#39;t end up accessing
freed memory. Some (but not all) of the callers of
dma_resv_get_fences() seem to still trawl through the
array even when dma_resv_get_fences() failed. And let&amp;#39;s
zero out *num_fences as well for good measure.&lt;/p&gt;</content:encoded>
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