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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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    <lastBuildDate>Thu, 01 Oct 2026 04:39:52 +0000</lastBuildDate>
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      <title>CVE-2026-22982 — net: mscc: ocelot: Fix crash when adding interface under a lag</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-22982</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;net: mscc: ocelot: Fix crash when adding interface under a lag&lt;/p&gt;
&lt;p&gt;Commit 15faa1f67ab4 (&amp;#34;lan966x: Fix crash when adding interface under a lag&amp;#34;)
fixed a similar issue in the lan966x driver caused by a NULL pointer dereference.
The ocelot_set_aggr_pgids() function in the ocelot driver has similar logic
and is susceptible to the same crash.&lt;/p&gt;
&lt;p&gt;This issue specifically affects the ocelot_vsc7514.c frontend, which leaves
unused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as
it uses the DSA framework which registers all ports.&lt;/p&gt;
&lt;p&gt;Fix this by checking if the port pointer is valid before accessing it.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Linux, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP&lt;/p&gt;
&lt;p&gt;In the Linux kernel, the following vulnerability has been resolved:&lt;/p&gt;
&lt;p&gt;net: mscc: ocelot: Fix crash when adding interface under a lag&lt;/p&gt;
&lt;p&gt;Commit 15faa1f67ab4 (&amp;#34;lan966x: Fix crash when adding interface under a lag&amp;#34;)
fixed a similar issue in the lan966x driver caused by a NULL pointer dereference.
The ocelot_set_aggr_pgids() function in the ocelot driver has similar logic
and is susceptible to the same crash.&lt;/p&gt;
&lt;p&gt;This issue specifically affects the ocelot_vsc7514.c frontend, which leaves
unused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as
it uses the DSA framework which registers all ports.&lt;/p&gt;
&lt;p&gt;Fix this by checking if the port pointer is valid before accessing it.&lt;/p&gt;</content:encoded>
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