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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 06:16:43 +0000</lastBuildDate>
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      <title>CVE-2023-53034 — ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2023-53034</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;ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans&lt;/p&gt;
&lt;p&gt;There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and
size. This would make xlate_pos negative.&lt;/p&gt;
&lt;p&gt;[   23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000
[   23.734158] ================================================================================
[   23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7
[   23.734418] shift exponent -1 is negative&lt;/p&gt;
&lt;p&gt;Ensuring xlate_pos is a positive or zero before BIT.&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;ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans&lt;/p&gt;
&lt;p&gt;There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and
size. This would make xlate_pos negative.&lt;/p&gt;
&lt;p&gt;[   23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000
[   23.734158] ================================================================================
[   23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7
[   23.734418] shift exponent -1 is negative&lt;/p&gt;
&lt;p&gt;Ensuring xlate_pos is a positive or zero before BIT.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2023-53034</guid>
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