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    <lastBuildDate>Tue, 29 Sep 2026 03:05:59 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-97571 — bnxt_en: Propagate TPA buffer allocation failures in bnxt_queue_mem_alloc()</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-97571</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;bnxt_en: Propagate TPA buffer allocation failures in bnxt_queue_mem_alloc()&lt;/p&gt;
&lt;p&gt;bnxt_alloc_one_tpa_info_data() returns -ENOMEM as soon as one allocation
fails. This leaves the remaining rxr-&amp;gt;rx_tpa[] entries zeroed.&lt;/p&gt;
&lt;p&gt;bnxt_queue_mem_alloc() discards that return value, so the partially
initialized ring is installed by bnxt_queue_start().&lt;/p&gt;
&lt;p&gt;Since the agg_id is picked by the hardware and bnxt_alloc_agg_idx maps
it to a SW index in rxr-&amp;gt;rx_tpa[], it is possible that an uninitialized
slot can be chosen which would hand a zero DMA address to the device.&lt;/p&gt;
&lt;p&gt;Fix this by checking the return value of bnxt_alloc_one_tpa_info_data
and unwinding, freeing the ring buffers.&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;bnxt_en: Propagate TPA buffer allocation failures in bnxt_queue_mem_alloc()&lt;/p&gt;
&lt;p&gt;bnxt_alloc_one_tpa_info_data() returns -ENOMEM as soon as one allocation
fails. This leaves the remaining rxr-&amp;gt;rx_tpa[] entries zeroed.&lt;/p&gt;
&lt;p&gt;bnxt_queue_mem_alloc() discards that return value, so the partially
initialized ring is installed by bnxt_queue_start().&lt;/p&gt;
&lt;p&gt;Since the agg_id is picked by the hardware and bnxt_alloc_agg_idx maps
it to a SW index in rxr-&amp;gt;rx_tpa[], it is possible that an uninitialized
slot can be chosen which would hand a zero DMA address to the device.&lt;/p&gt;
&lt;p&gt;Fix this by checking the return value of bnxt_alloc_one_tpa_info_data
and unwinding, freeing the ring buffers.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-97571</guid>
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